1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron = 1.60 $$ \times $$ 10$$-$$19C)
A
6 $$ \times $$ 1023
B
6 $$ \times $$ 1020
C
3.75 $$ \times $$ 1020
D
7.48 $$ \times $$ 1023
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
The pressure of H2 required to make the potential of H2-electrode zero in pure water at 298 K is
A
10$$-$$10 atm
B
10$$-$$4 atm
C
10$$-$$14 atm
D
10$$-$$12 atm
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Aqueous solution of which of the following compounds is the best conductor of electric current ?
A
Hydrochloric acid, HCl
B
Ammonia, NH3
C
Fructose, C6H12O6
D
Acetic acid, C2H4O2
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as
A
dynamo
B
Ni-Cd cell
C
fuel cell
D
electrolytic cell
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