Question # 1

What happens when CCl₄is treated with AgNO₃solution?

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NO₂will be evolved

A white ppt. of AgCl will form

CCl₄will dissolve in AgNO₃solution

Nothing will happen

The rate at which a substance reacts depends on its

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Atomic weight

Equivalent weight

Molecular weight

Active mass

Which of the following is monoatomic?

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Oxygen

Neon

Fluorine

Nitrogen.

The disaccharide present in milk is

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Sucrose

Maltose

Lactose

Cellobiose

During the folding of filter paper the apex form angle of about

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80°

60°

180°

90°

All the naturally occurring processes proceed spontaneously in a direction which lead to

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Decrease of entropy

Increase of enthalpy

Increase of free energy

Decrease of free energy

In crystal structure of sodium chloride, the arrangement of CI^-ions is

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Fcc

Both Fcc and bcc

Bcc

None of these

Which of the following possesses the highest melting point?

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Chlorobenzene

o- Dichlorobenzene

m-Dichlorobenzene

p-Dichlorobenzene

The substance used as a smoke screen in warfare is

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SiCl₄

PH₃

PCl₅

Acetylene

Which of the following is an example of body centred cube?

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Magnesium

Zinc

Copper

Sodium

Which of the following with aqueous KOH will give acetaldehyde?

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1, 2-Dichloroethane

1, 1-Dichloroethane

Chloroacetic acid

Ethyl chloride

By using the fluted filter paper rate of filtration is

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Increased

Decreased

Filtration is constant

Having no effect

The IUPAC name of the compound having the formula (CH₃)₃C - CH = CH₂is

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1, 1-Dimethyl-3-butene

1, 1, 1-Trimethyl-3-propene

3, 3,-Dimethyl-1-butene

3, 3, 3,-Trimethyl-1-propene

Bromine is obtained on a commercial scale from

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Caliche

Carnallite

Common satl

Cryolite

Crystal can be classified in to -------------- basic crystal habits

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7

3

14

3

Which of the following method is most appropriate for the manufacture of methane?

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By reduction of CH2SL2

Wurtz reaction

Liquification of natural gas

None of these

An endothermic reaction is one in which the reacting substances

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Have more energy than the products

Have less energy than the products

Have the same energy as the products

Are at a higher temperature than the products.

Ethyl chloride on treatment with aqueous alkali gives

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Ethane

Ethene

Ethanal

Ethanol

Fertililzer are made by

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Nature only

Artificial methods only

Both artificial and natural methods

None of the above

Which of the following compounds has the lowest anion to cation size ratio?

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LiF

NaF

Csl

CsF

Which of the following geometry is associated with the compound in which the central atom assumes sp³d hybridization?

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Planar

Pyramidal

Angular

Trigonal bipyramidal

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