Question

mcq10. Which of the following is different from the rest
a) Calomel electrode
b) Quinohydrone electrode
c) Glass electrode
d) Hydrogen electrode
v. In electro chemical cell
a) Potential energy decreases
b) Kinetic energy decreases
c) Potential energy changes to electrical energy
d) Chemical energy changes to electrical energy
vi. Nitroup acid is
a) linear b) pyramidal c) angular
vii. Phosphorous acid is
a) non basic b) dibasic
c) tribasic
viii. Hydrozen acid is
a)H.P207 b)HNO.
c)HN,
d) tetrahedral
d) amphoteric
d)NH​

Answer 1

Answer:

1answer is d

2abswer is d

3answer is c

4 answer is a