MCQ

MCQ 11 Mark

When silver nitrate solution is mixed with sodium chloride solution, a precipitate of silver chloride is formed, which is of:

Answer

Correct option: D.

white colour

(d) white colour is correct.

MCQ 21 Mark

When ammonia gas reacts with hydrochloric acid gas, the ammonium chloride is formed which is in :

Answer

Correct option: C.

gaseous state

MCQ 31 Mark

When lead nitrate crystals are strongly heated, the colour of one of the gas evolved is :

Answer

Correct option: C.

reddish brown

MCQ 41 Mark

The decomposition of sodium bicarbonate on heating is :

Answer

Correct option: A.

an endothermic reaction

(a) an endothermic reaction is correct.

MCQ 51 Mark

The reaction between magnesium and oxygen is :

Answer

Correct option: B.

an exothermic reaction

(b) an exothermic reaction is correct.

CHEMISTRY MCQ