Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
Which of the following is NOT used as a raw material in the Solvay process?
Ammonia
Sodium chloride
Calcium trioxocarbonate (IV)
Sodium trioxocarbonate (IV)
Correct answer is D
No explanation has been provided for this answer.
Sodium hydroxide solution can be conveniently stored in a container made of?
lead
zinc
aluminium
copper
Correct answer is D
No explanation has been provided for this answer.
Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a?
nitrate
carbonate
chloride
sulphide
Correct answer is B
No explanation has been provided for this answer.
Safety matches contain sulphur and the following except?
sodium chloride
potassium trioxonitrate (V)
charcoal
phosphorus sulphide
Correct answer is A
Modern safety matches usually have antimony sulfide, oxidizing agents such as potassium chlorate, and sulfur or charcoal in the heads, and red phosphorus in the striking surface.
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?
hydrogen
nitrogen (IV) oxide
oxygen
ammonium
Correct answer is D
No explanation has been provided for this answer.