engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test General Science Chemistry Surface Chemistry
Which of the following statements about chemisorption is correct?
1
The chemical bonds in chemisorption are always covalent in nature.
2
Chemisorption is also known as activated adsorption.
3
Chemisorption decreases with increase of temperature.
4
Chemisorption results in multimolecular layers on adsorbent surface under high pressure.