Ozone can be tested by

Ammonia, on reaction with excess of chlorine, gives

Bromine water reacts with SO₂ to form

The basicity of pyrophosphorus acid is

Which one of the following compounds is a peroxide?

XeF₄  hydrolyse to form

Sulphuric acid reacts with PCl₅ to give

The number of P - O bonds in P₄O₁₀ is

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

Nitrous oxide is