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1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

In fuel cells _______ are used as catalysts.

A
nickel-cadmium
B
lead-manganese
C
zinc-mercury
D
platinum-palladium
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

The molar conductivity is maximum for the solution of concentration

A
0.002 M
B
0.005 M
C
0.001 M
D
0.004 M
3
KCET 2022
MCQ (Single Correct Answer)
+1
-0

For spontaneity of a cell, which is correct?

A
$$\Delta \mathrm{G}=-\mathrm{ve}, \Delta E=0$$
B
$$\Delta G=+\mathrm{ve}, \Delta E=+\mathrm{ve}$$
C
$$\Delta G=-v e$$
D
$$\Delta G=0, \Delta E=0$$
4
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Specific conductance of $$0.1 \mathrm{~M} \mathrm{~HNO}_3$$ is $$6.3 \times 10^{-2} \mathrm{~ohm}^{-1} \mathrm{~cm}^{-1}$$. The molar conductance of the solution is

A
$$315 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
B
$$6.300 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
C
$$63.0 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
D
$$630 \mathrm{~ohm}^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
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