Chemical Bonding - Lonic and Covalent Compounds — Chemistry STD 10 — Question

In laboratory nitric acid is prepared by heating :

Which of the following compounds reacts with dilute sulphuric acid and produces a colourless gas with a rotten egg-like smell?

A salt which forms basic solution in water

Condition favorable for formation of a covalent bond is

When equal volumes of a mixture of hydrogen and chlorine are exposed to direct sunlight, they :

The non-metals are generally electron acceptors and are good:

An element A belonging to Period 3 and Group II will have ________ .

Acid is a compound, which on dissolving in water furnishes:

Hydrogen chloride gas is heavier than air because its vapour density is :

Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
X is likely to have a :