1
MHT CET 2025 22nd April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following ion exihibits maximum power of coagulation for positively charged Sol ?

A
$\mathrm{SO}_4^{2-}$
B
$\mathrm{PO}_4^{3-}$
C
$\mathrm{Cl}^{-}$
D
$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
2
MHT CET 2025 22nd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following process does NOT results in coagulation?

A
electrophoresis
B
by adding excess solvent
C
by mixing two oppositely charged sols
D
by boiling
3
MHT CET 2025 22nd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the catalyst used in following reaction at $500^{\circ} \mathrm{C}$ ?

$$ \mathrm{CO}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{CO}_2+\mathrm{H}_2 $$

A
$\mathrm{Fe}-\mathrm{Cr}$
B
Ni
C
$\mathrm{Co}-\mathrm{Th}$
D
Platinised asbestos
4
MHT CET 2025 21st April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following represents the Freundlich's empirical equation for adsorption of gas on solid (for $\mathrm{n}>1$ )?

A
$\frac{x}{\mathrm{~m}}=\mathrm{kp}^{\frac{1}{n}}$
B
$\frac{\mathrm{m}}{x}=\mathrm{kp}^{\frac{1}{\mathrm{n}}}$
C
$\frac{x}{m}=k p^n$
D
$\frac{m}{x}=k p^n$
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