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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