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Chemistry Past 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


Question 757:


Safety matches contain sulphur and?

A. Potassium trioxochlorate (V)
B. Potassium trioxonitrate (V)
C. Charcoal
D. Phosphorus sulphide


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


Question 759:


Sodium hydroxide solution can be conveniently stored in a container made of?

A. Lead
B. Zinc
C. Aluminium
D. Copper


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)






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