1
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is not negatively charged sol?

A
$\quad \mathrm{As}_2 \mathrm{~S}_3$
B
Haemoglobin
C
Clay
D
Congo Red
2
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify example of sorption from following.

A
Charcoal is added to methylene blue solution.
B
Chalk is dipped in ink.
C
Hydrogen gas is passed over platinum
D
Oxygen gas is passed over finely divided nickel.
3
MHT CET 2025 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Match column I (process) with column II (application)

Column I Column II
i. Dialysis a. Cleansing action of soap
ii. Peptization b. Coagulation
iii. Emulsificatioin c. Colloidal solution preparation
iv. Electrophoresis d. Purification of colloidal solution

A
i - d, ii - a, iii - c, iv - b
B
i - d, ii - c, iii - a, iv - b
C
i - c, ii - b, iii - d, iv - a
D
i - b, ii - c, iii - a, iv - d
4
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify positively charged sol from the following.

A
Haemoglobin
B
Gum
C
 Gelatin
D
Cadmium sulfide
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