Chemical Reactions Quiz 1

On burning of magnesium ribbon in air, forms.

Nature of MgO is _______.

Which of the following statement is correct about balance chemical equation?

Which of the following chemical equation is balanced?

Identify the types of chemical reaction.

A + B $\longrightarrow$ C

Digestion of foods in our stomach is a __________.

Respiration is _______.

The decomposition of vegetable matter into compost is ________.

On heating Ferrous sulphate, which of the following gas evolved?

On heating lime stone, which gas evolved.

Identify the types of chemical reaction.

A $\longrightarrow$ B + C

Which of the following compound is used in the manufacturing of cement?

On heating of lead nitrate, a brown colour fumes evolve. The brown fumes are ______.

On electrolysis of water, which of the following gases evolved?

White silver chloride turns grey in sunlight, because of _______.