Chemistry

The elements of group-18 in periodic table are called inert gas.

A salt bridge, in electrochemistry, is a laboratory device used to connect the oxidation and education half-cells of a galvanic cell.

The biofuel compound which is used as fuel is called biofuel.

The smoke that emits from vehicles reacts with the sunlight and forms poisonous gas. This gas is known as photochemical smog.

Negative charged atom or radical is called cation.

Two compounds with similar molecular formula but different structural formulas are called isomer to each other.

In polymerization reaction, each of the smaller molecules that combine together is called monomer.

The difference between the highest valency of an element and its active valency is considered as latent valency.