Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

Gammexane is

  • benzene hexachloride

  • bromo benzene

  • benzyl chloride

  • chlorobenzene


52.

Aniline on treatment with HCl and NaNO2 gives

  • diazo salt

  • nitroaniline

  • chloroaniline

  • aminophenol


53.

Saccharin contains

  • carbon and hydrogen

  • carbon, oxygen and hydrogen

  • carbon, hydrogen, oxygen and nitrogen

  • carbon, hydrogen, sulphur, nitrogen and oxygen


54.

The digestion of fat in intestines is aided by

  • emulsification

  • peptisation

  • protection

  • diffusion


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55.

Dehydration of alcohol involves

  • carbene

  • carbanion

  • free radical

  • carbonium ion


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56.

A sample of CHCl3 before using as an anaesthetic is tested by

  • AgNO3 solution after boiling with KOH

  • Ammonical cuprous chloride

  • Fehling solution

  • AgNO3


D.

AgNO3

Before using CHCl3 as an anaesthetic, it is treated with aqueous solution of AgNO3. A pure sample does not give ppt with aqueous AgNO3.


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57.

Which of the following compounds reacts slower than benzene in electrophilic brornination?


58.

Which of the following possess highest melting point?

  • p-dichlorobenzene

  • m-dichlorobenzene

  • o-dichlorobenzene

  • chlorobenzene


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59.

Propionic acid and KOH reacts to produce which one of the following?

  • Potassium propionate

  • Propyl alcohol

  • Propionaldehyde

  • Does not react


60.

When calcium acetate is distilled, it will produce which of the following compound?

  • CH3COOH

  • CH3CHO

  • CH3COCH3

  • All of these


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