Surface Chemistry
202 Questions
2002
JEE Mains
MCQ
AIEEE 2002
The formation of gas at the surface of tungsten due to adsorption is the reaction of order :
A.
0
B.
1
C.
2
D.
insufficient data
2002
JEE Mains
MCQ
AIEEE 2002
Alum helps in purifying water by :
A.
forming Si complex with clay particles
B.
sulphate part which combines with the dirt and removes it
C.
coagulating the mud particles
D.
making mud water soluble