HARD
12th Andhra Pradesh Board
IMPORTANT
Earn 100

Describe the Cottrell smoke precipitator with a neat diagram

Important Questions on Surface Chemistry

HARD
12th Andhra Pradesh Board
IMPORTANT
Hydrogen used in Haber's process is obtained by reacting methane with steam in presence of NiO as catalyst. The process is known as steam reforming. Why is it necessary to remove CO formed in steam reforming when ammonia is obtained by Haber’s process?
 
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
What is an interface? Give one example.
HARD
12th Andhra Pradesh Board
IMPORTANT
Among NaCl, Na2SO4, Na3PO4 electrolytes, which is more effective for coagulation of hydrated ferric oxide sol and why ?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Explain the terms absorption, adsorption and sorption. Describe the different types of adsorption.
HARD
12th Andhra Pradesh Board
IMPORTANT
Discuss the characteristics of physical adsorption.
HARD
12th Andhra Pradesh Board
IMPORTANT
Discuss the characteristics of chemisorption.
HARD
12th Andhra Pradesh Board
IMPORTANT
Compare and contrast the phenomenon of physisorption and chemisorption.
HARD
12th Andhra Pradesh Board
IMPORTANT
What is an adsorption isotherm? Discuss the phenomenon of adsorption of gases on solids with the help of Freundlich adsorption isotherm.