ICSE Speciman Class 10 Chemistry Sample Paper 2023 Solution
ICSE Board Class 10 Chemistry Sample Paper 2023 Solution www.cisce.org. New Sample Paper Solution ICSE Board 2023 Chemistry all Question Answers by Expert Teachers. Students of Class X who are preparing for Board Exam 2023 can solved here Chemistry Sample Paper.
Section – A
Question 1
Choose one correct answer to the questions from the given options:
(i) A weak electrolyte is :
(a) Alcohol
(b) Potassium hydroxide
(c) Ammonium hydroxide
(d) Glucose
Ans: (c) Ammonium hydroxide
(ii) Electron affinity is maximum in :
(a) Alkaline earth metals
(b) Halogens
(c) Inert gases
(d) Alkali metals
Ans: (b) Halogens
(iii) The main components of bronze are :
(a) Copper and tin
(b) Copper and iron
(c) Copper and lead
(d) Copper and zinc
Ans: (a) Copper and tin
(iv) A polar covalent compound is :
(a) Methane
(b) Ammonia
(c) Nitrogen
(d) Chlorine
Ans: (b) Ammonia
(v) An acid which has two replaceable hydrogen icons:
(a) Acetic acid
(b) Hydrochloric acid
(c) Phosphoric acid
(d) Carbonic acid
Ans: (d) Carbonic acid
(vi) The hydroxide which is soluble in excess of NaOH is:
(a) Ferric hydroxide
(b) Lead hydroxide
(c) Copper hydroxide
(d) Calcium hydroxide
Ans: (b) Lead hydroxide
(vii) If the RMM of carbon dioxide is 44, then its vapour density is :
(a) 22
(b) 32
(c) 44
(d) 88
Ans: (a) 22
(viii) Drying agent used to dry Hydrogen chloride gas:
(a) Concentrated Sulphuric acid
(b) Calcium oxide
(c) Sulphurous acid
(d) Calcium hydroxide
Ans: (a) Concentrated Sulphuric acid
(ix) The catalyst used in the Haber’s Process is :
(a) Molybdenum
(b) Platinum
(c) Nickel
(d) Finely divided Iron
Ans : (d) Finely divided Iron
(x) An aqueous compound which turns colourless phenolphthalein to pink:
(a) Ammonium hydroxide
(b) Nitric acid
(c) Anhydrous calcium chloride
(d) Sulphuric acid
Ans: (a) Ammonium hydroxide
(xi) The gas formed when carbon reacts with concentrated sulphuric acid:
(a) Hydrogen
(b) Sulphur trioxide
(c) Sulphur dioxide
(d) Oxygen
Ans: (c) Sulphur dioxide
(xii) The organic compound prepared when Ethanol undergoes dehydration:
(a) Methane
(b) Ethane
(c) Acetylene
(d) Ethene
Ans: (d) Ethene
(xiii) The IUPAC name of methyl acetylene is :
(a) Propyne
(b) Ethene
(c) Propane
(d) Ethyne
Ans: (a) Propyne
(xiv) The product formed at the cathode in electroplating of an article with Nickel is :
(a) Hydrogen gas
(b) Nickel ions
(c) Nickel atoms
(d) Oxygen gas
Ans: (c) Nickel atoms
(xv) An alkali metal found in period 3 and group 1 is :
(a) Magnesium
(b) Lithium
(c) Sodium
(d) Potassium
Ans: (c) Sodium
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