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Chemistry MCQs Quiz 118

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Question 1

Which of the following elements has greater 1st ionization energy---------?

Score: 0 of 1
Your answerChoice

C

Selected

O

B

N

Question 2

Which of the following elements react with steam to produce H2 gas?

Score: 0 of 1
Your answerChoice

Sn

Pd

All of the above

Selected

Ni

Question 3

Which of the following factors help to measure quallity of water ?

Score: 1 of 1
Your answerChoice

DO

BOD

COD

Selected

all of the above

Question 4

Which of the following fertilizers is not useful for paddy rice ?

Score: 0 of 1
Your answerChoice
Selected

Ammonium sulphate

Ammonium nitrate

urea

DAP

Question 5

Which of the following gases is the main cause of acid rain ?

Score: 1 of 1
Your answerChoice
Selected

NO2

none of the above

CO

both a & b

Question 6

Which of the following gases shows more ideal behaviour at 0°C------?

Score: 0 of 1
Your answerChoice

CH4

He

Selected

H2

NH3

Question 7

Which of the following haloalkane is hydrolysed by SN1 mechanism?

Score: 1 of 1
Your answerChoice

CH3CH2CH2Br

CH3CH2Br

Selected

(CH3)3CBr

CH3Br

Question 8

Which of the following has orange flavour---------?

Score: 1 of 1
Your answerChoice

isobutyl formate

amyl lactate

ethyl butyrate

Selected

octyl acetate

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