Ammonia, on reaction with excess of chlorine, gives

If the supply of oxygen is limited, H₂S reacts with O₂ to form

Which one of the following compounds is a peroxide?

For the  detection of Ag⁺, ___________ is used.

The laughing gas is

The number of σ - bonds in P₄O₁₀ is

The nitrogen atom has 7 protons and 7 electrons. The nitride ion will have

Bromine water reacts with SO₂ to form

The basicity of pyrophosphorus acid is