All Chemical Equations of Class 10
(1) Mg + O2 → MgO
(2) Zn + H2 SO4→ZnSO4 + H2
(3) H2 + O2→H2O
(4)H2 + O →H2O
(5)H2 + O2→2H2O
(6) 2H2 + O2→2H2O
(7) Zn+ H2 SO4→ ZnSO4 + H2
(8) Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g)
(9)Ca(OH)2 (aq) + CO2 (g) → CaCO3(s) + H2O(1)
(10) C(s) + O2 (g)→CO2(g) + Heat
(11) CH4(g) + 2O2(g) + 2H2O(g) + Heat energy
(12) C6H12O6(aq) + 6O2(g) → 6CO2(g) + 6H2O(1) + energy
(13) N2(g) + O2(g) + Heat → 2NO(g)
(14) CaCO3(s) + Heat →CaO(s) + Co2(g)
(15) 2KCIO3(s) MnO22KCl (s) + 3O2 (g)
(16) CO(g) + 2H2(g) 300atm; 300°C/ZnO + CrO3→ CH3 OH (1)
(17) 6CO2 (g) + 6H2O(1) Sunlight/Chlorophyll → C6H12O6(aq) + 6O2 (g)
(18) Methane + Oxygen →Carbon dioxide + Water
(19) CH4 + O2→ CO2 + H2O
(20) CH4 + O2→ CO2 + 2H2O
(21) CH4 + 2O2→ CO2 + 2H2O
(22) CH4(g) + 2O2(g) → CO2 (g) + 2H2O(g)
(23) CH4(g) + 2O2(g) → CO2 (g) + 2H2O(g) + Heat
(24) Copper sulphate + Sodium hydroxide →Copper hydroxide + Sodium sulphate
(25) CuSO4 + NaOH→Cu(OH)2 + Na2SO4
(26) CuSO4 + 2NaOH →Cu(OH)2 + Na2SO4
(27) CuSO4(aq) + 2NaOH(aq) → Cu(OH)2(s) + Na2SO4(aq)
(28) Iron + Steam →Iron (II, III) oxide + Hydrogen
(29) Fe + H2O → Fe3O4 + H2
(30) 3Fe + H2O → Fe3O4 + H2
(31) 3Fe + 4H2O → Fe3O4 + H2
(32) 3Fe + 4H2O → Fe3O4 + 4H2
(33) 3Fe(s) + 4H2O(g) → Fe3O4(s) + 4H2(g)
(34) Hydrogen + Chlorine →Hydrogen chloride
(35) H2 + CI2 → HCI
(36)H2 + CI2 → 2HCI
(37) H2(g) + CI2 (g) → 2HCI(g)
(38) Hydrogen + Nitrogen →Ammonia
H2 + N2→ NH3
(39) 3H2 + N2→ 2NH3
(40)3H2(g) + N2(g) → 2NH3(g)
(41) Sodium + Water →Sodium hydroxide + Hydrogen
Na + H2O →NaOH + H2
(42)Na + 2H2O → 2NaOH + H2
(43) 2Na + 2H2O → 2NaOH + H2
(44) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
(45) Magnesium + Oxygen →Magnesium oxide
(46) Mg + O2→MgO
(47) Mg + O2→ 2MgO
(48) 2Mg + O2→ 2MgO
(49) 2Mg(s) + O2(g) → 2MgO(s)
(50) Mg + O →MgO
(51) Calcium hydroxide + Carbon dioxide →Calcium carbonate + Water
(52) Aluminium + Copper chloride →Aluminium chloride + Copper
(53) NaOH + …… → Na2SO4 + H2O
(54) Ca(OH)2 + ….. → CaCO3 + H2O
(55) Ca + H2O →CaOH + H
(56) N + H →NH3
(57) Calcium (solid) + Water (liquid) →Calcium hydroxide (solution) + Hydrogen (gas)
(58) Sulphur dioxide (gas) + Oxygen (gas) → Sulphur trioxide (gas)
(59) Na + O2→Na2O
(60) H2O2→H2O+O2
(61) Mg(OH)2 + HCl→MgCl2 + H2O
(62) Fe + O2→Fe2O3
(63) Al(OH)3→Al2O3 + H2O
(64) NH3 + CuO→Cu + N2 + H2O
(65) Al2(SO4)3 + NaOH→Al(OH)3 + Na2SO
(66) HNO3 + Ca(OH)2→Ca(NO3)2 + H2O
(67) NaOH + H2SO4→Na2SO4 + H2O
(68) BaCl2 + H2SO4→BaSO4 + HCl
(69) NH3→N2 + H2
(70) C + CO2→CO
(71) Zn + HCl→ZnCl2 + H2
(72) MnO2 + HCl→ MnCl2 + Cl2 + H2O
(73) CaCO3→CaO + CO2
(74) 2H2O →2H2 + O2
(75) 6CO2 + 6H2O →C6 H12O6 + 6O2
(76) C6H12O6 + 6O2→6CO2 + 6H2O
(77) 2Mg + O2→2MgO
(78) 2H2S + 3O2→ 2H2O + 2SO2
(79) P4 + 5O2→ 2P2O5
(80) CS2 + 3O2 → CO2 + 2SO2
(81) 2Al + Fe2O3→ Al2O3 + 2Fe
(82) BaCl2 + ZnSO4→ ZnCl2 + BaSO4
(83) Ca(OH)2 + CO2→ CaCO3 + H2O
(84) 2Al + 3CuCl2→ 2AlCl3 + 3Cu
(85) 2NaOH + H2SO4→ Na2SO4 + 2H2O
(86) Ca(OH)2 + CO2→ CaCO3 + H2O
(87) Ca + 2H2O →Ca(OH)2 +H2
(88)N2 + 3H2→2NH3
(89) Ca (s) + 2H2O (l) →Ca(OH)2 (aq) + H2 (g)
(90) 2SO2 (g) + O2 (g) →2SO3 (g)
(91) 4Na + O2→2Na2O
(92) 2H2O2→2H2O+O2
(93) Mg(OH)2 + 2HCl → MgCl2 + 2H2O
(94) 4Fe + 3O2→ 2Fe2O3
(95) 2Al(OH)3→Al2O3 + 3H2O
(96) 2NH3 + 3CuO → 3Cu + N2 + 3H2O
(97) Al2(SO4)3 + 6NaOH → 2Al(OH)3 + 3Na2SO4
(98) 2HNO3 + Ca(OH)2 →Ca(NO3)2 + 2H2O
(99) 2NaOH + H2SO4→Na2SO4 + 2H2O
(100) BaCl2 + H2SO4→BaSO4 + 2HCl
(101) 2NH3→ N2 + 3H2
(102) C + CO2→ 2CO
(103) H2 + CuO→ Cu + H2O
(104) Ca(OH)2 (aq) + CO2 (g) → CaCO3 (s) + H2O (l)
(105) 2Al + 3Cl2→ 2AlCl3
(106) 2K + 2H2O → 2KOH + H2
(107) Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g)
(108) FeSO4 (aq) + 2NaOH (aq) →Fe(OH)2 (s) + Na2SO4 (aq)
(109) 2Al(OH)3 + 3H2SO4→ Al2(SO4)3 + 6H2O
(110) MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
(111) MgCO3 (s) + 2HCl (aq) → MgCl2 (aq) + CO2 (g) + H2O (l)
(112) 2NaOH (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O (l)
(113) 2KClO3 (s) → 2KCl (s) + 3O2 (g)
(114) 2Mg + CO2→ 2MgO + C
(115) CaCO3 + 2HCl → CaCl2 + H2O + CO2
(116) NaOH (aq) + HCl (aq) →NaCl (aq) + H2O (l)
(117) 4NH3 (g) + 3O2 (g) → 2N2 (g) + 6H2O (l)
(118) 3BaCl2 (aq) + Al2(SO4)3 (aq) → 3BaSO4 (s) + 2AlCl3 (aq)
(119) 2KNO3 (s) → 2KNO2 (s) + O2 (g)
(120)Pb(NO3)2 (aq) + 2KI (aq) → PbI2 (s) + 2KNO3 (aq)
(121)CaO + H2O →Ca(OH)2
(123) Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g)
(124) 2Mg + O2→ 2MgO
(125) Cu(OH)2 (d) CuSO4 (aq) + 2NaOH (aq) → Cu(OH)2 (s) + Na2SO4 (aq)
(126) 2Na + 2H2O → 2NaOH + H2
(127) 2Mg (s) + O2 (g) →2MgO (s)
(128) 2H2 (g) + O2 (g) →2H2O (l)
(129) C (s) + O2 (g) →CO2 (g)
(130) H2 (g) + Cl2 (g) →2HCl (g)
(131) 2Na (s) + Cl2 (g) →2NaCl (s)
(132) Fe (s) + S (s) →FeS (s)
(133) CaO (s) + H2O (l) →Ca(OH)2 (s)
(134) Ca(OH)2 (aq) + CO2 (g) →CaCO3 (s) + H2O (l)
(135) NH3 (g) + HCl (g) →NH4Cl (s)
(136) 2CO (g) + O2 (g) →2CO2 (g)
(137) 2CO2 (g) + O2 (g) →2CO3 (g)
(138) CaCO3 (s) →CaO (s) + CO2 (g)
(140) 2KClO3 (s) →2KCl (s) + 3O2 (g)
(141) 2FeSO4 (s) →Fe2O3 (s) + SO2 (g) + SO3 (g)
(142) 2Pb(NO3)2 (s) → 2PbO (s) + 4NO2 (g) + O2 (g)
(143) 2H2O (l) →2H2 (g) + O2 (g)
(144) 2NaCl (l) →2Na (s) + Cl2 (g)
(145) 2Al2O3 (l) →4Al (l) + 3O2 (g)
(146) 2AgCl (s) →2Ag (s) + Cl2 (g)
(147) 2AgBr (s) →2Ag (s) + Br2 (g)
(148) CuSO4 (aq) + Zn (s) →ZnSO4 (aq) + Cu (s)
(149) CuSO4 (aq) + Mg (s) →MgSO4 (aq) + Cu (s)
(150) CuSO4 (aq) + Fe (s) →FeSO4 (aq) + Cu (s)
(151) CuCl2 (aq) + Pb (s) →PbCl2 (aq) + Cu (s)
(152) 2AgNO3 (aq) + Cu (s) →Cu(NO3)2 (aq) + 2Ag (s)
(153) Fe (s) + 2HCl (aq) → FeCl2 (aq) + H2 (g)
(154) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)
(155) 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g)
(156) Cl2 (g) + 2KI (aq) → 2KCl (aq) + I2 (s)
(157) CuO (s) + Mg (s) →MgO (s) + Cu (s)
(158) Fe2O3 (s) + 2Al (s) → Al2O3 (s) + 2Fe (l)
(159) AgNO3 (aq) + NaCl (aq) →AgCl (s) + NaNO3 (aq)
(160) BaCl2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaCl (aq)
(161) BaCl2 (aq) + CuSO4 (aq) → BaSO4 (s) + CuCl2 (aq)
(162) CuSO4 (aq) + H2S (g) →CuS (s) + H2SO4 (aq)
(163) AlCl3 (aq) + 3NH4OH (aq) →Al(OH)3 (s) + 3NH4Cl (aq)
(164) Pb(NO3)2 (aq) + 2KI (aq) → PbI2 (s) + 2KNO3 (aq)
(165) NaOH (aq) + HCl (aq) →NaCl (aq) + H2O (l)
(166) Fe2O3 + 2Al → Al2O3 + 2Fe
(167) Barium + Potassium → Barium + Potassium
(168) Zinc carbonate (s) → Zinc oxide (s) + Carbon dioxide (g)
(169) Hydrogen (g) + Chlorine (g) → Hydrogen chloride (g)
(170) Magnesium (s) + Hydrochloric → Magnesium + Hydrogen (g)
(171) BaCl2 (aq) + K2SO4 (aq) → BaSO4 (s) + 2KCl (aq)
(172) ZnCO3 (s) →ZnO (s) + CO2 (g)
(173) H2 (g) + Cl2 (g) → 2HCl (g)
(174) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)
(175) 2KBr (aq) + Cl2 (aq) → 2KCl (aq) + Br2 (aq)
(176) Fe (s) + S (s) →FeS (s)
(177) CuO + H2→ Cu + H2O
(178) H2S + Cl2→ S + 2HCl
(179) H2S + Cl2→S + 2HCl
(180) ZnO + C →Zn + CO
(181) MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
(182) 2Cu + O2→2CuO
(183) CuO + H2→Cu + H2O
(184) SO2+ 2H2S → 2H2O + 3S
(185) H2S+ I2→ 2HI + S
(186) 4Na (s) + O2 (g) → 2Na2O (s)
(187) 2PbO (s) + C (s) → 2Pb (s) + CO2 (g)
(188) 4Fe + 3O2 + 2xH2O → 2Fe2O3.xH2O
(189) Zinc + Silver nitrate → Zinc nitrate + Silver
(190) CaCO3→CaO + CO2
(192) CaO + H2O →Ca(OH)2
(193) 2FeSO4→ Fe2O3 + SO2 + SO3
(194) NH4Cl → NH3 + HCl
(195) 2Ca + O2→ 2CaO
(196)A + BC → AC + B
(197) A + B → C
(198) X → Y + Z
(199) PQ + RS → PS + RQ
(200) A2O3 + 2B → B2O3 + 2A
(201) FeSO4→ Fe2O3 + SO2 + SO3
(202) Pb(NO3)2 (s) →PbO (s) + NO2 (g) + O2 (g)
(203) Cl2 + 2KI → 2KCl + I2
(204) 2K + Cl2→ 2KCl
(205) CaO + CO2→ CaCO3
(206) 2Na + 2H2O → 2NaOH + H2
(207) Mg + CuSO4→ MgSO4 + Cu
(208) NH4NO2→ N2 + 2H2O
(209) CuSO4 + 2NaOH →Cu(OH)2 + Na2SO4
(210) PbS (s) + 4H2O2 (aq) → PbSO4 (s) + 4H2O (l)
(211) H2S + Cl2→ S + 2HCl
(212) SO2 + 2H2S → 2H2O + 3S
(213) ZnO + C → Zn + CO
(214) MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
(215) CuO (s) + H2 (g) → Cu (s) + H2O (l)
(216) 4M + 3O2→ 2M2O3
(217) KBr (aq) + AgNO3 (aq) → KNO3 (aq) + AgBr (s)
(218) Mg (s) + CuO (s) →MgO (s) + Cu (s)
(219) Zn + 2AgNO3→Zn(NO3)2 + 2Ag
(220) 2AgNO3 (aq) + Cu (s) →Cu(NO3)2 (aq) + 2Ag (s)
(221) ZnO + C → Zn + CO
(222) 2Cu + O2→ 2CuO
(223) 2Mg + O2→ 2MgO
(224) Cu (s) + 2AgNO3 (aq) →Cu(NO3)2 (aq) + 2Ag (s)
(225) CuSO4 (aq) + Zn (s) → ZnSO4 (aq) + Cu (s)
(226) CuO + H2→ Cu + H2O
(227) AgNO3 (aq) + NaCl (aq) →AgCl (s) + NaNO3 (aq)
(228) CuSO4 (aq) + H2S (g) →CuS (s) + H2SO4 (aq)
(229) 2AgCl (s) Light → 2Ag (s) + Cl2 (g)
(230) Metal + Acid → Salt + Hydrogen gas
(231) Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g)
(232) Metal carbonate + Acid → Salt + Carbon dioxide + Water
(234) Metal hydrogencarbonate + Acid → Salt + Carbon dioxide + Water
(235) Na2CO3 (s) + 2HCl (aq) → 2NaCl (aq) + CO2 (g) + H2O (l)
(236) NaHCO3 (s) + HCl (aq) →NaCl (aq) + CO2 (g) + H2O (l)
(237) Ca(OH)2 (aq) + CO2 (g) → CaCO3 (s) + H2O (l)
(238) CaCO3 (s) + CO2 (g) + H2O (l) →Ca(HCO3)2 (aq)
(239) Acid + Base → Salt + Water
(240) NaOH (aq) + HCl (aq) →NaCl (aq) + H2O (l)
(241) Metal oxide + Acid → Salt + Water
(242) CuO (s) + 2HCl (aq) → CuCl2 (aq) + H2O (l)
(243) CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + CO2 (g) + H2O (l)
(244) HCl (aq) → H+ (aq) + Cl– (aq)
(245) H+ + H2O → H3O+
(246) HCl (aq) → H+ (aq) + Cl– (aq)
(247) H2SO4 (aq) → 2H+ (aq) + 2 SO4– (aq)
(248) HNO3 (aq) → H+ (aq) + NO3– (aq)
(249) CH3COOH (aq) → CH3COO– (aq) + H+ (aq)
(250) HCl (g) →H+ (aq) + Cl– (aq)
(251) HCl + H2O →H3O+ + Cl–
(252) HCl (aq) → H+ (aq) + Cl– (aq)
(253) CH3COOH (aq) ⇌ CH3COO– (aq) + H+ (aq)
(254) Zn (s) + HCl (aq) →
(255) Na2CO3 (s) + HCl (aq) →
(256) NaHCO3 (s) + HCl (aq) →
(257) NaOH (aq) + HCl (aq) →
(258) CuO (s) + HCl (aq) →
(259) NaOH (s) Water → Na+ (aq) + OH– (aq)
(260) KOH (s) Water → K+ (aq) + OH– (aq)
(261) Mg(OH)2 (s) Water → Mg2+ (aq) + 2OH– (aq)
(262) 2NaOH (aq) + Zn (s) → Na2ZnO2 (aq) + H2 (g)
(263) 2NaOH (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O (l)
(264) H+ (aq) + OH– (aq) Neutralisation/reaction → H2O (l)
(265) Non-metal oxide + Base → Salt + Water
(266) Ca(OH)2 (aq) + CO2 (g) → CaCO3 (s) + H2O (l)
(267) NH4Cl (s) + H2O (l) ⇌NH4OH (aq) + HCl (aq)
(268) Na2CO3 (s) + 2H2O (l) ⇌2NaOH (aq) + H2CO3 (aq)
(269) NaOH (aq) + HCl (aq) →NaCl (aq) + H2O (l)
(270) 2NaCl (aq) + 2H2O (l) →2NaOH (aq) + Cl2 (g) + H2 (g)
(271) NaCl + NH3 + H2O + CO2→ NaHCO3 + NH4Cl
(272) 2NaHCO3→ Na2CO3 + CO2 + H2O
(273) Na2CO3 + 10H2O → Na2CO3.10H2O
(274) NaCl + NH3 + H2O + CO2→ NaHCO3 + NH4Cl
(275) 2NaHCO3→ Na2CO3 + CO2 + H2O
(276) NaHCO3 (aq) + H+ (aq) → Na+ (aq) + CO2 (g) + H2O (l)
(277) Ca(OH)2 + Cl2→ CaOCl2 + H2O
(278) CaOCl2 + H2SO4→ CaSO4 + Cl2 + H2O
(279) CaSO4.2H2O Heat to 100°C/(373K) →CaSO4. ½ H2O + 1 ½ H2O
(280) 2(CaSO4.2H2O) Heat to 100°C/(373K) → 2CaSO4.H2O + H2O
(281) CaSO4. ½ H2O + 1 ½ H2O →CaSO4.2H2O
(282) CuSO4.5H2O → CuSO4 + 5H2O
(283) CuSO4 + 5H2O → CuSO4.5H2O
(284) Metal + Oxygen → Metal oxide
(285) 4Na (s) + O2 (g) → 2Na2O (s)
(286) Na2O (s) + H2O (l) → 2NaOH (aq)
(287) K2O (s) + H2O (l) → 2KOH (aq)
(288) 2Mg (s) + O2 (g) → 2MgO (s)
(289) MgO (s) + H2O (l) →Mg(OH)2 (aq)
(290) 4Al (s) + 3O2 (g) → 2Al2O3 (s)
(291) Al2O3 (s) + 6HCl (aq) → 2AlCl3 (aq) + 3H2O (l)
(292) Al2O3 (s) + 2NaOH (aq) → 2NaAlO2 (aq) + H2O (l)
(293) 2Zn (s) + O2 (g) → 2ZnO (s)
(294) ZnO (s) + 2HCl (aq) → ZnCl2 (aq) + H2O (l)
(295) ZnO (s) + 2NaOH (aq) → Na2ZnO2 (aq) + H2O (l)
(296) 3Fe (s) + 2O2 (g) → Fe3O4 (s)
(297) 2Cu (s) + O2 (g) → 2CuO (s)
(298) Metal + Water → Metal hydroxide + Hydrogen
(299) Metal + Steam → Metal oxide + Hydrogen
(300) 2K (s) + 2H2O (l) → 2KOH (aq) + H2 (g) + Heat
(301) 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g) + Heat
(302) Ca (s) + 2H2O (l) →Ca(OH)2 (aq) + H2 (g)
(303) Mg (s) + 2H2O (l) →Mg(OH)2 (aq) + H2 (g)
(304) Mg (s) + H2O (g) →MgO (s) + H2 (g)
(305) 2Al (s) + 3H2O (g) → Al2O3 (s) + 3H2 (g)
(306) Zn (s) + H2O (g) →ZnO (s) + H2 (g)
(307) 3Fe (s) + 4H2O (g) → Fe3O4 (s) + 4H2 (g)
(308) Metal + Dilute acid → Metal salt + Hydrogen
(309) 2Na (s) + 2HCl (aq) → 2NaCl (aq) + H2 (g)
(310) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)
(311) 2Al (s) + 6HCl (aq) → 2AlCl3 (aq) + 3H2 (g)
(312) Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g)
(313) Fe (s) + 2HCl (aq) → FeCl2 (aq) + H2 (g)
(314) Cu (s) + HCl (aq) → No reaction
(315) 2Na (s) + H2SO4 (aq) → Na2SO4 (aq) + H2 (g)
(316) Mg (s) + H2SO4 (aq) → MgSO4 (aq) + H2 (g)
(317) 2Al (s) + 3H2SO4 (aq) →Al2(SO4)3 (aq) + 3H2 (g)
(318) Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g)
(319) Fe (s) + H2SO4 (aq) → FeSO4 (aq) + H2 (g)
(320) Cu (s) + H2SO4 (aq) → No reaction
(321) Mg (s) + 2HNO3 (aq) →Mg(NO3)2 (aq) + H2 (g)
(322) Mn (s) + 2HNO3 (aq) →Mn(NO3)2 (aq) + H2 (g)
(323) Salt solution of metal B + Metal A→ Salt solution of metal A + Metal B
(324) CuSO4 (aq) + Zn (s) → ZnSO4 (aq) + Cu (s)
(325) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(326) 2AgNO3 (aq) + Cu (s) →Cu(NO3)2 (aq) + 2Ag (s)
(327) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(328) FeSO4 (aq) + Zn (s) → ZnSO4 (aq) + Fe (s)
(329) 2Na (s) + Cl2 (g) → 2NaCl (s)
(330) Ca (s) + Cl2 (g) → CaCl2 (s)
(331) Mg (s) + Cl2 (g) → MgCl2 (s)
(332) 2Al (s) + 3Cl2 (g) → 2AlCl3 (s)
(333) Zn (s) + Cl2 (g) → ZnCl2 (s)
(334) 2Fe (s) + 3Cl2 (g) → 2FeCl3 (s)
(335) Cu (s) + Cl2 (g) → CuCl2 (s)
(336) 2Na (s) + H2 (g) → 2NaH (s)
(337) Ca (s) + H2 (g) → CaH2 (s)
(338) C (s) + O2 (g) → CO2 (g)
(339) CO2 (g) + H2O (l) → H2CO3 (aq)
(340) S (s) + O2 (g) → SO2 (g)
(341) SO2 (g) + H2O (l) → H2SO3 (aq)
(342) 2C (s) + O2 (g) → 2CO (g)
(343) 2H2 (g) + O2 (g) → 2H2O (l)
(344) 2NaBr (aq) + Cl2 (g) → 2NaCl (aq) + Br2 (aq)
(345) H2 (g) + Cl2 (g) → 2HCl (g)
(346) P4 (s) + 6Cl2 (g) → 4PCl3 (l)
(347) H2 (g) + S (l) → H2S (g)
(348) N2 (g) + 3H2 (g) →Fe 2NH3 (g)
(349) S (s) + O2 (g) → SO2 (g)
(354) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(355) FeSO4 (aq) + Zn (s) → ZnSO4 (aq) + Fe (s)
(356) MgSO4 (aq) + Cu (s) → CuSO4 (aq) + Mg (s)
(357) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(358) MgSO4 (aq) + Fe (s) → FeSO4 (aq) + Mg (s)
(359) Na – e–→ Na+
(360) Cl + e–→Cl–
(361) Na – e–→ Na+
(362) Mg – 2e–→ Mg2+
(363) Al – 3e–→Al3+
(364) O + 2e–→ O2–
(365) N + 3e–→ N3–
(366) Na. – e– → Na+
(367) CI + e–→ [CI]–
(368) Na + CI → Na+ [CI]– or NaCI
(369) K. + CI → K+ [CI]– or KCl
(370) Mg: – 2e–→ Mg2+
(371) 2 CI + 2e–→ Mg2+
(372) Mg + → Mg2+ or Mg2+ 2[CI] or MgCI2
(373) Ca: + 2 CI → Ca2+ 2[CI]–or CaCl2
(374) O + 2e–→ [O]2-
(375) Mg : + O → Mg2+ [O]2- or MgO
(376) Ca: + O → Ca2+ [O]2- or CaO
(377) Na + O → Na+ [O]2- or 2Na+ O 2- or Na2O
(381) 2NaCl (l) → 2Na (s) + Cl2 (g)
(382) 2Na+ + 2e–→ 2Na
(383) 2Cl– – 2e–→ Cl2
(384) 2Al2O3 (l) →4Al (l) + 3O2 (g)
(385) Al3+ + 3e–→ Al
(386) 2O2– – 4e–→ O2
(387) ZnCO3 (s) →ZnO (s) + CO2 (g)
(388) 2ZnS (s) + 3O2 (g) →2ZnO (s) + 2SO2 (g)
(389) ZnO (s) + C (s) → Zn (s) + CO (g)
(390) 3MnO2 (s) + 4Al (s) → 3Mn (l) + 2Al2O3 (s) + Heat
(400) Fe2O3 (s) + 2Al (s) → 2Fe (l) + Al2O3 (s) + Heat
(401) 2HgS (s) + 3O2 (g) → 2HgO (s) + 2SO2 (g)
(402) 2HgO (s) Heat/(Reduction) → 2Hg (l) + O2 (g)
(403) 2Cu2S (s) + 3O2 (g) → 2Cu2O (s) + 2SO2 (g)
(404) 2Cu2O (s) + Cu2S (s) → 6Cu (s) + SO2 (g)
(405) Cu2+ + 2e–→ Cu
(406) Cu – 2e–→ Cu2+
(407) Metal carbonate → Metal oxide + Carbon dioxide
(408) Metal oxide + Carbon → Metal + Carbon monoxide
(409) CH4→CH3Cl
(410) CH4→CH3—OH
(411) C + O2→ CO2 + Heat + Light
(412) CH4 + 2O2 →CO2 + 2H2O + Heat + Light
(413) CH4 + Cl2→ CH3Cl + HCl
(414) CH2 = CH2 + H2→CH3– CH3
(415) C2H5OH + 3O2 Combustion / (Burning) →2CO2 + 3H2O + Heat + Light
(416) CH3CH2OH + 2[O] Alkaline KMnO4 ; Heat /(or Acidified K2 Cr2 O7 ) →CH3COOH + H2O
(417) 2C2H5OH + 2Na → 2C2H5O– Na+ + H2
(418) CH3–CH2OH Conc.H2SO4 ; 170°C /(Dehydration) →CH2=CH2 + H2O
(419) CH3COOH + C2H5OH →CH3COOC2H5 + H2O
(420) 2CH3COOH + Na2CO3→ 2CH3COONa + CO2 + H2O
(421) CH3COOH + NaHCO3→ CH3COONa + CO2 + H2O
(422) CH3COOH + NaOH→ CH3COONa + H2O
(423) CH3COOH + C2H5OH →CH3COOC2H5 + H2O
(424) CH3COOC2H5 + NaOH→ CH3COONa + C2H5OH
(425) C3H7.CO [OH + H] O.C2H5→C3H7.COO.C2H5 + H2O
(426) Fat or Oil + Sodium hydroxide → Soap + Glycerol
(431) Hydrogen + Chlorine → Hydrogen chloride
H2 + Cl2→ 2HCl
(432) Barium + Aluminium → Barium + Aluminium
3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3
(433) Sodium + Water → Sodium hydroxide + Hydrogen
2Na + 2H2O → 2NaOH + H2
(434) BaCl2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaCl (aq)
(435) NaOH (aq) + HCl (aq) →NaCl (aq) + H2O (l)
(436) 4Na (s) + O2 (g) → 2Na2O (s)
(437) CuO (s) + H2 (g) → Cu (s) + H2O (l)
(438) 2PbO (s) + C (s) → 2Pb (s) + CO2 (g)
(439) Fe2O3 + 2Al → Al2O3 + 2Fe
(440) Zn + H2SO4 → ZnSO4 + H2
(441) 3H2 + N2→ 2NH3
(442) 2H2S + 3O2 → 2H2O + 2SO2
(443) 3BaCl2 + Al2(SO4)3→ 2AlCl3 + 3BaSO4
(444) 2K + 2H2O → 2KOH + H2
(445) HNO3 + Ca(OH)2→Ca(NO3)2 + H2O
(446) NaOH + H2SO4→ Na2SO4 + H2O
(447) NaCl + AgNO3→AgCl + NaNO3
(448) BaCl2 + H2SO4→ BaSO4 + HCl
(449) 2HNO3 + Ca(OH)2→Ca(NO3)2 + 2H2O
(450) 2NaOH + H2SO4→Na2SO4 + 2H2O
(451) NaCl + AgNO3→AgCl + NaNO3
(452) BaCl2 + H2SO4→ BaSO4 + 2HCl
(453) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water
Ca(OH)2 + CO2→ CaCO3 + H2O
(454) Zinc + Silver nitrate → Zinc nitrate + Silver
Zn + 2AgNO3→Zn(NO3)2 + 2Ag
(455) Aluminium + Copper chloride → Aluminium chloride + Copper
2Al + 3CuCl2→ 2AlCl3 + 3Cu
(456) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
BaCl2 + K2SO4→ BaSO4 + 2KCl
(457) Potassium + Barium → Potassium + Barium
2KBr (aq) + BaI2 (aq) → 2KI (aq) + BaBr2 (s)
(458) Zinc carbonate (s) → Zinc oxide (s) + Carbon dioxide (g)
ZnCO3 (s) →ZnO (s) + CO2 (g)
(459) Hydrogen (g) + Chlorine (g) → Hydrogen chloride (g)
H2 (g) + Cl2 (g) → 2HCl (g)
(460) Magnesium (s) + Hydrochloric → Magnesium + Hydrogen (g)
Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)
(461) C6H12O6 (aq) + 6O2 (g) → 6CO2 (g) + 6H2O (l) + Energy
(462) 2H2 (g) + O2 (g) → 2H2O (l)
(463) 2H2O (l) Electricity → 2H2 (g) + O2 (g)
(464) CaCO3 (s) →CaO (s) + CO2 (g)
(465) 2AgCl (s) → 2Ag (s) + Cl2 (g)
(466)2H2O (l) → 2H2 (g) + O2 (g)
(467) CuSO4 (aq) + Zn (s) → ZnSO4 (aq) + Cu (s)
(468) BaCl2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaCl (aq)
(469) 2AgNO3 (aq) + Cu (s) →Cu(NO3)2 (aq) + 2Ag (s)
(470) AgNO3 (aq) + NaCl (aq) →AgCl (s) + NaNO3 (aq)
(471) 2Mg + O2→ 2MgO
(472) CuO + H2→ Cu + H2O
(473) ZnO + C → Zn + CO
(474) Fe2O3 + 2Al → Al2O3 + 2Fe
(475) Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g)
(476) 2NaHCO3→ Na2CO3 + CO2 + H2O
(477) CaSO4.½ H2O + 1 ½ H2O → CaSO4.2H2O
(478) Sulphuric acid + Zinc → Zinc sulphate + Hydrogen
H2SO4 + Zn → ZnSO4 + H2
(479) Hydrochloric acid + Magnesium → Magnesium chloride + Hydrogen
2HCl + Mg → MgCl2 + H2
(480) Sulphuric acid + Aluminium → Aluminium sulphate + Hydrogen
3H2SO4 + 2Al →Al2(SO4)3 + 3H2
(481) Hydrochloric acid + Iron → Iron (II) chloride + Hydrogen
2HCl + Fe → FeCl2 + H2
(482) Acid + Base → Salt + Water
(483) 2NaOH (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O (l)
(484) Mg(OH)2 (aq) + 2HCl (aq) → MgCl2 (aq) + 2H2O (l)
(485) 3Fe (s) + 4H2O (g) → Fe3O4 (s) + 4H2 (g)
(486) Ca (s) + 2H2O (l) →Ca(OH)2 (aq) + H2 (g)
(487) 2K (s) + 2H2O (l) → 2KOH (aq) + H2 (g)
(488) Fe (s) + H2SO4 (aq) → FeSO4 (aq) + H2 (g)
(489) CH3CH2OH + 2[O]Alkaline KMnO4 ;Heat/(or Acidified K2 Cr2 O7) → CH3COOH + H2O
(490) C +O2→ CO2 + Heat
(491) CH4 + 2O2→CO2 + 2H2O + Heat