1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is used to avoid leakage of electrolyte in dry cell?

A
Paste of $\mathrm{MnO}_2$
B
Paste of $\mathrm{NH}_4 \mathrm{Cl}$
C
Starch
D
Paste of $\mathrm{ZnCl}_2$
2
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the polymer used to obtain LCD screen from following.

A
Polyacrylamide
B
Buna-N
C
Polycarbonate
D
Perspex
3
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product X in the following reaction.

Sodium propanoate $\xrightarrow[\Delta]{\text { soda-lime }} \mathrm{X}+$ sodium carbonate

A
Propane
B
Ethene
C
Methane
D
Butane
4
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following changes involves transfer of 5 electrons?

A
$\mathrm{MnO}_4^{-} \longrightarrow \mathrm{Mn}^{2+}$
B
$\mathrm{CrO}_4^{2-} \longrightarrow \mathrm{Cr}^{3+}$
C
$\mathrm{NO}_3^{-} \longrightarrow \mathrm{NH}_4^{+}$
D
$\mathrm{Cr}_2 \mathrm{O}_7^{2-} \longrightarrow 2 \mathrm{Cr}^{3+}$
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