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1
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is true for Galvanic cell?

A
The anode is negative and cathode is positive.
B
Electrical energy is converted into chemical energy.
C
The anode is positive and cathode is negative.
D
Oxidation takes place at positive electrode and reduction takes place at negative electrode.
2
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What will be the concentration of solution of electrolyte if it's molar conductivity and conductivity are respectively 230 $$\Omega^{-1}$$ cm$$^2$$ mol$$^{-1}$$ and 0.0115 $$\Omega^{-1}$$ cm$$^{-1}$$ at 298 K?

A
0.04 M
B
0.03 M
C
0.01 M
D
0.05 M
3
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the number of moles of electrons passed when current of 5 ampere is passed through a solution of FeCl$$_3$$ for 20 minutes?

A
$$6.25\times10^{-2}$$
B
$$1.56\times10^{-2}$$
C
$$3.12\times10^{-2}$$
D
$$4.25\times10^{-2}$$
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is true for conductivity?

A
It is inversely proportional to resistivity.
B
It is inversely proportional to molar conductivity.
C
It is directly proportional to resistivity.
D
It is directly proportional to resistance.
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