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Friday, 22 May 2026
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Chemistry Past Questions and Answers

Chemistry Questions

Question 756:
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?
  • A Hydrogen
  • B Nitrogen (IV) oxide
  • C Oxygen
  • D Ammonium
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Question 757:
Safety matches contain sulphur and?
  • A Potassium trioxochlorate (V)
  • B Potassium trioxonitrate (V)
  • C Charcoal
  • D Phosphorus sulphide
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Question 758:
Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a?
  • A Nitrate
  • B Carbonate
  • C Chloride
  • D Sulphide
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Question 759:
Sodium hydroxide solution can be conveniently stored in a container made of?
  • A Lead
  • B Zinc
  • C Aluminium
  • D Copper
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Question 760:
Which of the following is NOT used as a raw material in the Solvay process?
  • A Ammonia
  • B Sodium chloride
  • C Calcium trioxocarbonate (IV)
  • D Sodium trioxocarbonate (IV)
View Answer & Explanation