TET-Ctet-Chemistry-set-24

Chemistry MCQs for all Competitive Exams SET-24
Chemistry Multiple Choice Questions

Chemistry Multiple Choice Questions(MCQ)
रसायन विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of chemistry multiple choice questions with answers. All questions are of multiple choice type.In these MCQs sets we are going to share most important questions related to chemistry. These questions are very helpful for those candidates and aspirants who are preparing for the various government and non government exam as well as in interview.
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Chemistry MCQs for all Competitive Exams SET-24
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

The ozone layer forms naturally by

[A].   The interaction of CFC with oxygen
[B].   The interaction of UV radiation with oxygen
[C].   The interaction of IR radiation with oxygen
[D].   the interaction of oxygen and water vapour


Question : 2

The spin only magnetic moment of Fe2+ion (in BM) is approximately

[A].   7
[B].   4
[C].   6
[D].   5


Question : 3

The number of naturally occurring p-block elements that are diamagnetic is ______.

[A].   6
[B].   18
[C].   7
[D].   5


Question : 4

The normality of 30 volume H2O2 is

[A].   2.678 N
[B].   5.336 N
[C].   8.034 N
[D].   6.685 N


Question : 5

Benzaldehyde and acetone can be best distinguished using ______

[A].   Sodium hydroxide solution
[B].   Fehling’s solution
[C].   Tollens’ reagent
[D].   2,4 DNPH


Question : 6

Benzene reacts with chlorine in sunlight to give a final product

[A].   C6H5Cl
[B].   C6Cl6
[C].   C6H6Cl6
[D].   CCl4


Question : 7

Considering the reaction C(S)+O2(g) → CO2(g)+393.5 kJ the signs of ΔH, ΔS and ΔG respectively are

[A].   –, +, –
[B].   –, –, –
[C].   –, +, +
[D].   +, –, –


Question : 8

Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear?

[A].   CH3 –  CH2 – CH2 – CH3
[B].   CH3 – CH = CH – CH3
[C].   CH3 – C ≡ C – CH3
[D].   CH2 = CH – CH2 –C ≡ CH


Question : 9

By what factors does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?

[A].   1.4
[B].   2
[C].   2.8
[D].   4


Question : 10

Cooking is fast in a pressure cooker, because

[A].   Food is cooked at constant volume.
[B].   Loss of heat due to radiation is minimum.
[C].   Food particles are effectively smashed.
[D].   Water boils at higher temperature inside the pressure cooker.





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