Question # 1

Rectified spirit contains alcohol about

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80%

85%

90%

95%

Absolute alcohol can be obtained from rectified spirit by

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By adding sodium metal

By extraction

By predistillation in the presence of CaO

Not possible because of azeotropic mixture

Which enzyme is not involved in fermentation of starch.

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Diastase

Zymase

Urease

Invertase

Methyl alcohol can be represented by all of the following words or symbols except.

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CH3OH

Wood spirit

Methanol

Grain alcohol

According to Lewis concept, ethers behave as

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Acid

Base

Nucleophile

Solvent

Isopropyl alcohol on oxidation gives

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Acetaldehyde

Acetone

Ether

Propene

Which compound is called universal solvent

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CH₃OH

C₂H₅OH

CH₃O CH₃

H₂O

Conversion of phenol to benzene is known as.

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Oxidation

Reduction

Hydrolysis

Hydration

Phenol can be prepared from chlorobenzene by

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Williamson synthesis

Down's process

Kolbe reaction

Cannizzaro reaction

Which enzyme is not involved in fermentation of starch

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Zymase

Urease

Invertase

Diastase

Which one of the following compounds is the isomer of ethyl alcohol.

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CH3OH

CH4OCH3

CH5-CH(OH)CH3

CH3OC2H5

Which substance is used to convert ethanol to ethyl chloride

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SOCl2

PCl3

PCl5

All of these

The conversion of ethene to ethanol is an example of.

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Hydration

Dehydration

Neutralization

Esterification

Bakelite is obtained from phenol by reacting with

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Acetal

Ethanal

Formaldehyde

Methanol

Ethanol can be converted into ethanoic acid by.

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Hydrogenation

Hydration

Oxidation

Fermentation

Primary, Secondary and tertiary alcohols can be distinguish by.

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Iodoform test

Lucas test

Fehling solution

Ammoniacal silver nitrates

Which compound will have the maximum repulsion with water

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C₆H₆

C₂H₅OH

C₃H₇OH

CH₃OCH₃

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