Question # 1

In modern periodic table VI period contains elements

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8

18

10

32

The carbon atom of carbonyl group is hybridized

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Sp

Sp²

Sp³

dsp²

Each of the following is true for white and red phosphorus except one.

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Both are soluble in CCl4

Both can be oxidized by heating in air

Both consists of same kind of atoms

Both can be converted into each other

The most reactive alcohol when O-H bond breaks is

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Tertiary alcohol

Secondary alcohol

Primary alcohol

Methyl alcohol

Which of the following lipids does not have glycerol backbone.

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Fat

Oil

Cholesterol

Phospholipid

When carbon di oxide is bubbled through lime water, white precipitate is formed This precipitate is.

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COCl2

H2CO3

CaO

CaCO3

When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as.

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Cannizzaro reaction

Wurtz reaction

Wol;ficisthner reaction

Aldol reaction

Which of the following reagents will reacts with both aldehydes and ketones.

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Grignard reagent

Tollens's reagent

Fehling's reagent

Benedict 's reagent

Ionic Hydrides react with water to form

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Proton

Hydride ions

Hydroxide ions

Hydronium ions

Malonic acid is

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Aromatic monocarboxylic acid

Aromatic dicarboxylic acid

Aliphatic monocarboxylic acid

Aliphatic di carboxylic acid

Boric acid can not be used.

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As antiseptic in medicine

For washing eyes

In soda bottle

For enamels and glazes

Keeping in view size of atoms ,which order is the correct one.

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Mg > Sr

Ba > Mg

Lu > Ce

Cl > I

Acetic acid manufactured by

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Distillation

Fermentation

Ozonolysis

Esterification

Which one is used for manufacture of fertilizers

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Methane

Ethane

Ethene

Ethyne

Ester are formed the reaction of carboxylic acid with.

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Alcohol

Ethers

Aldehydes

Alkyl halides

Which substance is used to convert ethanol to ethyl chloride

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SOCl2

PCl3

PCl5

All of these

Which one of the followings is woody raw material used for making pulp and paper

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Eucalyptus

Wheat straw

Bagasse

Cotton linter

Setting process of cement is based upon

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Hydrolysis

Hydration

Dehydration

Botha a and b

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