TET-Ctet-Chemistry-set-25

Chemistry MCQs for all Competitive Exams SET-33
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-33
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Carbon can reduce ferric oxide to iron at a temperature above 983 K because ______.

[A].   Carbon has a higher affinity towards oxidation than iron.
[B].   Carbon monoxide formed is thermodynamically less stable than ferric oxide.
[C].   Iron has a higher affinity towards oxygen than carbon.
[D].   Free energy change for the formation of carbon dioxide is less negative than that for ferric oxide.


Question : 2

Dalda is prepared from oils by

[A].   Oxidation
[B].   Reduction
[C].   Hydrolysis
[D].   Distillation


Question : 3

Carbon forms two oxides which have different compositions. The equivalent mass of which remains constant?

[A].   carbon
[B].   oxygen
[C].   neither carbon nor oxygen
[D].   both carbon and oxygen


Question : 4

Catalytic dehydrogenation of a primary alcohol gives a

[A].   Secondary alcohol
[B].   Aldehyde
[C].   Ketone
[D].   Ester


Question : 5

Dalton’s law of partial pressures is applicable to which one of the following systems?

[A].   CO + H2
[B].   H2 + Cl2
[C].   NO + O2
[D].   NH3 + HCl


Question : 6

Decomposition of benzene diozonium chloride by using Cu2Cl2/HCl to Form chlorobenzene is

[A].   Cannizarro’s reaction
[B].   Kolbe’s reaction
[C].   Sandmeyer’s reaction
[D].   Raschig’s reaction


Question : 7

Clemmensen reduction of a ketone is carried out in the presence of which of the following?

[A].   H2 and Pt as catalyst
[B].   Glycol with KOH
[C].   Zn-Hg with HCl
[D].   LiAlH4


Question : 8

Chloroacetic acid is a stronger acid than acetic acid. This can be explained using ______.

[A].   – I effect
[B].   – M effect
[C].   +I effect
[D].   + M effect


Question : 9

Denatured alcohol is

[A].   Rectified spirit
[B].   Undistilled ethanol
[C].   Rectified spirit + methanol + naphtha
[D].   Ethanol + methanol


Question : 10

During the adsorption of krypton on activated charcoal at low temperature, ______.

[A].   DH < 0 and DS < 0
[B].   DH > 0 and DS < 0
[C].   DH < 0 and DS > 0
[D].   DH > 0 and DS > 0





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