1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Colloidal solution commonly used in the treatment of skin disease is

A
colloidal silver
B
colloidal antimony
C
colloidal gold
D
colloidal sulphur
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Which can adsorb larger volume of hydrogen gas?

A
Colloidal solution of palladium
B
Finely divided platinum
C
Colloidal $$\mathrm{Fe}(\mathrm{OH})_3$$
D
Finely divided nickel
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of $$\mathrm{BaCl}_2, \mathrm{AlCl}_3$$ and $$\mathrm{NaCl}$$ required to coagulate the given colloid is in the order

A
$$\mathrm{NaCl}>\mathrm{BaCl}_2>\mathrm{AlCl}_3$$
B
$$\mathrm{BaCl}_2<\mathrm{AlCl}_3>\mathrm{NaCl}$$
C
$$\mathrm{AlCl}_3=\mathrm{NaCl}=\mathrm{BaCl}_2$$
D
$$\mathrm{AlCl}_3>\mathrm{BaCl}_2>\mathrm{NaCl}$$
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Zeta potential is

A
potential required to bring about coagulation of a colloidal sol.
B
potential required to give the particle a speed of $$1 \mathrm{~cm} \mathrm{~s}^{-1}$$
C
potential difference between fixed charged layer and the diffused layer having opposite charges
D
potential energy of the colloidal particles.
KCET Subjects
EXAM MAP