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Chemistry MCQs Quiz 104

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Question 1

Unit of rate of reaction is---------?

Score: 0 of 1
Your answerChoice

Moles dm-3 sec-1

Mol-1 dm3 sec-1

Moles sec-1

Selected

Moles dm-3

Question 2

Unpaired electron in a molecule gives ------- character ?

Score: 1 of 1
Your answerChoice

Ferromagnetic

Diamagnetism

Selected

Paramagnetic

Both A & B

Question 3

Upto ---------- C atoms alkanes are gases?

Score: 1 of 1
Your answerChoice
Selected

4

6

2

3

Question 4

Urea as a fertilizer contains:------?

Score: 1 of 1
Your answerChoice

53% N

73% N

Selected

46% N

57% N

Question 5

Vander Waals forces are stronger in--------?

Score: 0 of 1
Your answerChoice

Cl2

Selected

F2

Br2

I2

Question 6

Vapour pressure is not affected by--------?

Score: 0 of 1
Your answerChoice

intermolecular forces

Selected

atmospheric pressure

temperature

Surface area

Question 7

Vinylacetylene combines with HCI to form----------?

Score: 1 of 1
Your answerChoice
Selected

chloroprene

polyacetylene

divinyl acetylene

benzene

Question 8

Voltaic cell can be recharged by-------?

Score: 1 of 1
Your answerChoice

by addition of fresh solution

Selected

by replacing external circuit with external source of electricity

by heating it

by removal of solution

Question 9

Voltaic cell is a---------?

Score: 0 of 1
Your answerChoice
Selected

alkaline cell

reversible cell

irreversible cell

all of the above

Question 10

Water absorber used in combustion analysis is----------?

Score: 0 of 1
Your answerChoice
Selected

50% KOH

Mg (CIO4)2

CaCl2

Lime water

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