Metals and Non-metals MCQ Questions Class 10 Science Chapter 3
NCERT MCQ Questions for Class 10 Science Chapter 3 Metals and Non-metals. Metals and Non-metals MCQ Questions with Answers from Class 10 Science Chemistry.
Metals and Non-metals MCQ Questions Class 10 Science Chapter 3
Metals and Non-metals Multiple Choice Questions with Answers Class 10 Science Chapter 3 PDF is available.
(1) Metals has shown below property.
(a) Brittleness
(b) Electricity non conductance
(c) Malleable
(d) Soft
ANS – malleable
(2) Metal has not shown below property.
(a) Malleability
(b) Hard
(c) Creates sound
(d) Softness
ANS – Softness
(3) The ability of metals to be drawn into thin wires is called…………
(a) Ductility
(b) Malleability
(c) Sonorous
(d) Conductance
ANS- Ductility
(4) If metal can beaten into thin sheets. Metal shows…………
(a) Malleability
(b) Ductility
(c) Metal sheet
(d) Electricity conducting sheets
ANS- Malleability
(5) …………….. these metals are poor conductor of heat .
(a) Lead and aluminium
(b) Mercury and steel
(c) Lead and mercury
(d) Iron and aluminium
ANS- Lead and mercury
(6) Wires which used in homes that are coated with………
(a) Plastic
(b) PVC
(c) Plaster of paris
(d) Copper
ANS- PVC
(7) Carbon is the example of……….
(a) Light gas
(b) Major element in the steel
(c) Nonmetal
(d) Metal
ANS- Nonmetal
(8) All metals except …………. exist as solid at room temperature.
(a) Aluminium
(b) Gallium
(c) Indium
(d) Mercury
ANS- Mercury
(9) Gallium and ………………. Have very low melting point.
(a) Aluminium
(b) Sodium
(c) Mercury
(d) Caesium
ANS- Caesium
(10) ………………….. is non-metal but lustrous.
(a) chlorine
(b) iodine
(c) oxygen
(d) hydrogen
ANS- Iodine
(11) carbon exist in different forms called …………..
(a) allotrope
(b) isomers
(c) carbon compounds
(d) carbon examples
ANS- allotrope
(12) It is allotrope of carbon which conducting electricity.
(a) Graphite
(b) Diamond
(c) Carbon compounds
(d) Carbohydrates
ANS- Graphite
(13) ………….. alkali metal is soft in nature.
(a) Aluminium
(b) Iodine
(c) Iron
(d) Sodium
ANS- Sodium
(14) When nonmetals dissolves in water.
(a) Produces acidic oxides
(b) Produces basic oxide
(c) Produces salt
(d) Produces gas
ANS- Produces acidic oxides
(15) Most of the metal …………….
(a) Produces acidic oxides
(b) Produces basic oxide
(c) Produces salt
(d) Produces gas
ANS- Produces basic oxide
(16) Magnesium burns in air with ……………
(a) Dazzling black flame
(b) Sooty flame
(c) Dazzling white flame
(d) Non-sooty flame
ANS- Dazzling white flame
(17) Metal + oxygen –> metal oxide
(a) Metal oxide
(b) Metal ash
(c) Metal carbonate
(d) Metal hydride
ANS- Metal oxide
(18) Copper is heated in air……
(a) Forming white oxide
(b) Forming blue oxide
(c) Forming black oxide
(d) Forming green oxide
ANS- Forming black oxide
(19) Formula of aluminium oxide.
(a) Al2O2
(b) Al2O3
(c) AlO
(d) AlO6
ANS- Al2O3
(20) Water is……………….. in nature
(a) Basic
(b) Acidic
(c) Amphoteric
(d) Salty
ANS- Amphoteric
(21) Name of NaAlO2
(a) Sodium oxide
(b) Sodium aluminium dioxide
(c) Sodium aluminate
(d) Sodium dialuminate
ANS- Sodium aluminate
(22) Protective oxide layer prevents the metal from……………..
(a) Oxidation
(b) Reduction
(c) Substitution
(d) Elimination
ANS- Oxidation
(23) Metal + water –> ……………. + ……………..
(a) Metal oxide, oxygen
(b) Metal oxide, hydrogen
(c) Metal oxide, carbon dioxide
(d) Metal oxide, water
ANS- Metal oxide, hydrogen
(24) Ca + 2H2O –> ……………. + H2
(a) Ca(OH)2
(b) CaO
(c) Ca2
(d) CaH2
ANS- Ca(OH)2
(25) Magnesium with cold water
(a) Forming magnesium hydroxide
(b) Does not occur reaction
(c) Forming magnesium oxide
(d) Substitution reaction
ANS- Does not occurs reaction
In case you are missed :- Previous Chapter MCQ Questions
(26) Metals reacts acid gives………..
(a) Salt and oxygen
(b) Does not occur reaction
(c) Salt and water
(d) Salt and nitrogen gas
ANS- Does not occur reaction
(27) HNO3………………….
(a) Strong oxidizing agent
(b) Strong reducing agent
(c) Strong ellinating agent
(d) Weak acid
ANS- Strong oxidizing agent
(28) Metal A + Salt solution of B –> ……………….. + Metal B
(a) Oxide form of A
(b) Oxide form of B
(c) Salt of metal A
(d) Salt of metal AB
ANS- Salt of metal A
(29) Choose incorrect sentence
(a) Sodium atoms has one electron in its outermost shell.
(b) Potassium is more reactive than gold
(c) Iron to gold reactivity decreases
(d) Sodium ion carry negative charge
ANS- Sodium ion carry negative charge
(30) Electronic configuration of calcium
(a) 2,8,8,1
(b) 2,8,8,3
(c) 2,8,8,2
(d) 2,8,8
ANS- 2,8,8,2
(31) Cl– ion configuration.
(a) 2 8 8
(b) 2 8 9
(c) 2 8 7
(d) 2 8 3
ANS- 2 8 8
(32) Sodium chloride is a ………….
(a) Covalent compound
(b) Ionic compound
(c) Partial bond formation
(d) Double bond formation
ANS- Ionic compound
(33) MgCl2 Name the cation present in this compound.
(a) Mg
(b) Cl2
(c) Cl
(d) Cl–
ANS- Mg
(34) Salt solution shows………….
(a) iffraction of light
(b) Non Colored solution
(c) Conductivity
(d) Solidification of solution
ANS- Conductivity
(35) Ionic compound does not shows following property.
(a) Physical nature
(b) Conductivity
(c) Solubility
(d) Conduction of electricity
ANS- Conductivity
(36) Metals can be profitably extracted from minerals called…….
(a) Gangue
(b) Ores
(c) Metallurgy
(d) Gas
ANS- Ores
(37) ……………… and ……………. are found in the free state.
(a) Platinum carbon
(b) Platinum copper
(c) Zinc mercury
(d) Hydrogen oxygen
ANS- Platinum copper
(38) Metals of medium reactivity shows below methods of ore extraction.
(a) Roasting and calcination process
(b) Refining
(c) Oxidation
(d) Reduction
ANS- roasting and calcination
(39) Ores contaminated with large amounts of impurities called………..
(a) Minerals
(b) Sand
(c) Gangue
(d) Soil
ANS- Gangue
(40) Cinnabar is the ore of………………..
(a) Lead
(b) Aluminium
(c) Potassium
(d) Mercury
ANS- Mercury
(41) Cinnabar heated in air then it converts into ………….
(a) Lead oxide
(b) Potassium oxide
(c) Mercury oxide
(d) Sodium oxide
ANS- Mercury oxide
(42) HgS + O2 –> HgO + ……………….
(a) Oxygen
(b) Water
(c) Sulphur dioxide
(d) Hydrogen
ANS- Sulphur dioxide
(43) ZnCO3 + heat —> ……………… + CO2
(a) ZnO
(b) ZnC
(c) Zn
(c) ZnCO2
ANS- ZnO
(44) Carbon ( coke ) reduces metal oxides to …….
(a) Oxygen
(b) Hydrogen
(c) Metal
(d) Metal carbonate
ANS- Metal
(45) 3MnO2 + 4Al —> 3Mn + …………….+ heat
(a) Al2O2
(b) Al2O3
(c) AlO
(d) AlO6
ANS- Al2O3
(46) Iron (III) Oxide( Fe2O3) reacts with aluminium reaction known as…..
(a) Exothermic reaction
(b) Endothermic reaction
(c) Thermit reaction
(d) Fast reaction.
ANS- Thermit reaction
(47) Most widely used method for refining impure metal is.
(a) Electrolytic refining
(b) Electrochemical refining
(c) Electricity refining
(d) Metal refining
ANS- Electrolytic refining
(48) When insoluble impurities settle down at the bottom of anod are kmown as…………
(a) Dust
(b) Cathode sand
(c) Anod mud
(d) Anod ash
ANS- Anod mud
(49) Rusting of iron cannot prevent by………..
(a) Oiling
(b) Painting
(c) Anodizing
(d) Dusting
ANS- Dusting
(50) When iron is mixed with nickel and chromium we get….
(a) Bronze
(b) Gold
(c) Steel
(d) Aluminium
ANS-Steel
In case you are missed :- Next Chapter MCQ Questions
