Question # 1

Which substance is used to consulate rubber latex

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Ethyl alcohol

Acetaldehyde

Acetic acid

Water

Cholesterol is a

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Glyceride

Wax

Steroid

Fat

Benzene cannot undergo

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Substitution reactions

addition reactions

oxidation reactions

elimination reactions

When ethyl alcohol is heated with conc. H2SO4 it produces ethene. The temperature required is as proximately

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100 ^oC

78 ^oC

Above 200 ^oC

140- 170 ^oC

Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives.

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m -chloronitrobenzene

o and p chloronitrobenzene

o and m chloronitrobenzene

mixture of O2 m and p chloronitrobenzene

Which one of the following elements has the largest second ionization energy.

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O

Na

F

Ne

Which one of the following is not amino acid.

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Alanine

Glycine

Aspartic acid

Aniline

Which compound is the most reactive one

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benzene

ethene

ethane

ethyne

Which catalyst is used Friedel Crafts reactions

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AlCl₃

BeCl₂

NaCl

HNO₃

Which type of coal has greater percentage of carbon.

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Peat

Lignite

Bituminous

Anthracite

Aluminum oxide is

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acidic oxide

basic oxide

amphoteric oxide

none of these

The length of the polymer chain is specified by the number of repeating units which is called.

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Condensation

Co-polymerization

Iodine number

Degree of polymerization

Which process is used to convert vegetable oil to vegetable ghee.

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Hydrolysis

Oxidation

Esterification

Hydrogenation

Chile saltpeter has the chemical formal

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NaNO₃

KNO₂

Na₂B₄O₇

Na₂CO₃.H₂O

A caboxylic acid contains

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a hydroxyl group

a caboxyl group

a hydroxyl and carboxyl group

a carboxyl and an aldehyde group

Which one of the following species is not an electrophile.

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HN3

Br

H+

BF3

Which statement is incorrect about H2SO4

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Dehydration agent

dibasic acid

Oxidizing agent

Reducing agent

Aromatic hydrocarbons are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

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