1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify zero-dimensional nanostructure from examples given below.

A

Nanotubes

B

Fibres

C

Nanowires

D

Quantum dot

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is false regarding adsorption?

A

Concentration of adsorbate is high only at the surface of adsorbent.

B

It is dependent on temperature and pressure.

C

It is accompanied by evolution of heat.

D

It is independent of surface area.

3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is NOT true about lyophobic colloids?

A
These are formed easily by direct mixing of dispersion medium and dispersed phase.
B
These are irreversible.
C
These are unstable and hence require traces of stabilisers.
D
Viscosity of dispersed phase is nearly same as the dispersion medium.
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following statements is NOT true about physisorption?

A
The forces operating are weak van der Waals forces.
B
It is not specific in nature.
C
It is irreversible.
D
The heat of adsorption is low and lies in the range $20-40 \mathrm{~kJ} \mathrm{~mol}^{-1}$.

MHT CET (Biology) Subjects

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