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1
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is NOT correct regarding electrolysis?

A
It helps in refining of metals.
B
Conversion of electrical energy into chemical energy takes place.
C
It is useful in electroplating.
D
Metal is deposited at anode.
2
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A conductivity cell shows resistance of 600 ohm. If conductivity of 0.01 M KCl is 0.0015 $$\Omega^{-1}$$ cm$$^{-1}$$, what is cell constant?

A
0.60 cm$$^{-1}$$
B
0.45 cm$$^{-1}$$
C
0.90 cm$$^{-1}$$
D
0.75 cm$$^{-1}$$
3
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many Faradays of electricity is required to produce 4.8 g of Mg at cathode in the electrolysis of molten $\mathrm{MgCl}_2$ ? (Molar mass of $\mathrm{Mg}=24 \mathrm{~g} / \mathrm{mol}$ )

A
4 F
B
0.4 F
C
1 F
D
10 F
4
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the SI unit for electrochemical equivalent?

A
Js$^{-1}$
B
JC$^{-1}$
C
kgC
D
kgC$^{-1}$
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