Question

Conditions favourable for the contact process are ______.

पर्याय

• high temperature and high pressure

• high temperature and low pressure

• low temperature and high pressure

• low temperature and low pressure

Answer 1

Conditions favourable for the contact process are low temperature and high pressure.

Explanation:

The synthesis of SO₃ is exothermic (favoured by low/optimum temperature) and proceeds with a decrease in volume (favoured by high pressure).