Unit - 1.1 Chemistry and its Importance — CHEMISTRY STD 6 — Question

The process in which green plants use carbon dioxide and water to prepare food with the help of chlorophyll and in the presence of sunlight is called ………………

Polluted air is harmful to ____.

Acid’s are chemicals which are_____ in taste and derived from plants and ________.

Pure water can be obtained from common salt solution, by the process of _____________.

A metal which is a poor conductor of electricity is _______.

Brownian movement is maximum in ____.

Sandstone is a/an rock

When a gas is cooled, its molecules ………………. Energy

Solid substances are ground with the help of a _____________ in a mortar.

(common salt,water vapour)
Seawater contains 24 g of ___________ in every liter.