EASY
JEE Main
IMPORTANT
Earn 100

Alum helps in purifying water by

32.26% studentsanswered this correctly

Important Questions on Surface Chemistry

EASY
JEE Main
IMPORTANT
Figure out which of the following is not an application of adsorption?
EASY
JEE Main
IMPORTANT
The charge on colloidal particles is due to
EASY
JEE Main
IMPORTANT
Which of the following cannot coagulate Al(OH)3 sol?
EASY
JEE Main
IMPORTANT
Which of the following processes will not coagulate a lyophobic colloid?
EASY
JEE Main
IMPORTANT
Different gold sols have different colours like red, blue, purple, golden etc. This is mainly because of
EASY
JEE Main
IMPORTANT
At CMC, the surfactant molecules
EASY
JEE Main
IMPORTANT
The critical micelle concentration (CMC) is
MEDIUM
JEE Main
IMPORTANT
The pressure of the gas was found to decrease from 720 to 480 mm of Hg. When 5 g of the sample of activated charcoal was kept in a flask of one litre capacity maintained at 27°C. If the density of charcoal was at 1.25g/mL. The volume of gas adsorbed per gm of charcoal at 480 mm of Hg is: