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1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is true for adsorption?

A
It is accompanied by evolution of heat.
B
It is a bulk phenomenon.
C
It is independent of surface area.
D
It is independent of temperature.
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the value of intercept on $$y$$-axis when $$\log \frac{x}{m}$$ is plotted against $$\log P$$ in Freundlich isotherm?

A
$$\frac{1}{n}$$
B
$$\log k$$
C
n
D
$$\mathrm{k}$$
3
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct decreasing order of precipitation power of flocculating ion added, from following.

A
$$\mathrm{Al}^{3+}>\mathrm{Na}^{+}>\mathrm{Ba}^{2+}$$
B
$$\mathrm{Ba}^{2+}>\mathrm{Al}^{3+}>\mathrm{Na}^{+}$$
C
$$\mathrm{Al}^{3+}>\mathrm{Ba}^{2+}>\mathrm{Na}^{+}$$
D
$$\mathrm{Na}^{+}>\mathrm{Ba}^{2+}>\mathrm{Al}^{3+}$$
4
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is true for chemisorption?

A
Heat of adsorption is in the range of $$20$$-$$40 \mathrm{~kJ} \mathrm{~mol}^{-1}$$.
B
It is multimolecular layered.
C
van der Waals forces are involved.
D
It is favoured at high temperature up to certain limit.
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