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Chemistry

CHEMICAL FORMULAE AND CHEMICAL EQUATIONS MCQs

Total Questions : 273

Page 1 of 28 pages
Question 1. Chemical formula of Zinc Hydroxide is
  1.    Zn(OH)₂
  2.    ZNO₂
  3.    Zn₂(OH)₃
  4.    ZnOH
 Discuss Question
Answer is Option A. -> Zn(OH)₂
Answer: (a).Zn(OH)₂
Question 2. All are ionic compounds except
  1.    AgCl
  2.    HNO₃
  3.    NO₂
  4.    (NH₄)₂CO₃
 Discuss Question
Answer is Option C. -> NO₂
Answer: (c).NO₂
Question 3. Chemical formula of silver bromide is
  1.    Ag₂Br₃
  2.    AgBr
  3.    AgBrO
  4.    AgBr₃.H₂O
 Discuss Question
Answer is Option B. -> AgBr
Answer: (b).AgBr
Question 4. Molecular weight of propane (C₃H₈) is
  1.    44.095g/mol
  2.    40.01g/mol
  3.    41.01g/mol
  4.    46.02g/mol
 Discuss Question
Answer is Option A. -> 44.095g/mol
Answer: (a).44.095g/mol
Question 5. Valency of Carbon (C) is
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer is Option D. -> 4
Answer: (d).4
Question 6. Acids are always
  1.    solid crystals
  2.    aqueous
  3.    gases
  4.    liquid
 Discuss Question
Answer is Option B. -> aqueous
Answer: (b).aqueous
Question 7. Molar mass of Calcium Carbonate CaCO₃ is
  1.    100.0869 g/mol
  2.    99.0154g/mol
  3.    110.018g/mol
  4.    101.087g/mol
 Discuss Question
Answer is Option A. -> 100.0869 g/mol
Answer: (a).100.0869 g/mol
Question 8. NH₄ has
  1.    positive charge
  2.    double positive charge
  3.    negative charge
  4.    double negative charge
 Discuss Question
Answer is Option A. -> positive charge
Answer: (a).positive charge
Question 9. Expression of ratio of combining number of atoms or ions is called as
  1.    valency
  2.    exponential notation
  3.    formula
  4.    isotopic charges
 Discuss Question
Answer is Option C. -> formula
Answer: (c).formula
Question 10. In Sulfuric Acid (H₂SO₄), chemical composition of sulfur is
  1.    0.0204
  2.    0.3265
  3.    0.6531
  4.    0.9821
 Discuss Question
Answer is Option B. -> 0.3265
Answer: (b).0.3265
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Sub Topics

  • Acids And Bases
  • Atomic Structure
  • Basic Chemistry
  • Chemical Bonding
  • Chemical Energy
  • Chemical Formulae And Chemical Equations
  • Chromatography And Methods Of Purification
  • Electricity And Chemistry
  • Elements
  • Gases
  • Ions And Gases
  • Liquids And Solids
  • Reactions And Rate Of Reaction
  • Redox Reactions

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