Question

Fill in the blanks:
and
1. The term 'environment' includes
2.
Land pollution makes the soil
3.
pollution causes diseases like jaundice, typhoid, etc.
sources causing air pollution.
4.
Sand storms, volcanic eruptions, etc., are the
5.
Presence of noises in the atmosphere is called​

Answer 1

Substances which themselves are not catalysts, but when mixed in small quantities with the catalysts increase their efficiency are called as promoters or activators. Catalytic poisons : Substances which destroy the activity of the catalyst by their presence are known as catalytic poisons. ...