Chemistry MCQs

Page No. 65

Density of H2SO4 in lead accumulator is__________________?


a1.25g/cm3

✓


b1.3g/cm3

✖


c1.20g/cm3

✖


d1.15g/cm3

✖


View Answer 1.25g/cm3

Secondary cell is_____________________?


arechargeable

✓


bnon-rechargeable

✖


celectrolytic cell

✖


ddaniel cell

✖


View Answer rechargeable

Greater value of standard reduction potential greater will be tendency__________________?


ato get oxidized

✖


bto get reduced

✖


cto accept electrons

✖


dboth B & C

✓


View Answer both B & C

The element that act as anode always have ______________ position in electrochemical cell?


ahigher

✓


blower

✖


cin middle

✖


dno effect of position

✖


View Answer higher

Electrode potential of Zn is__________________?


aoxidation

✖


breduction

✖


coxidation-reduction

✖


ddepends on the nature of the coupled electrode

✓



Potential of SHE is considered as__________________?


azero

✓


bunity

✖


cconstant

✖


dmultiple of 1

✖


View Answer zero

E0red of an element cab be calculated by comparing it with _____________________?


aNew electrode of same element

✖


bSHE

✓


c1M solution of ions of respective element

✖


d2M solution of HCI

✖


View Answer SHE

Salt bridge transfers_______________?


aElectrons

✖


banion

✖


ccurrent

✖


dions

✓


View Answer ions

Right half cell contains _____________ electrode?


aAl

✖


bZn

✖


cCu

✓


dFe

✖


View Answer Cu

Decrease in oxidation number is called__________________?


aoxidation

✖


breduction

✓


coxidation-reduction

✖


dall of above represent same entity

✖


View Answer reduction

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