Question # 1

Which one of following is non polar

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CH2Cl2

CCl4

CHCl3

CH3Cl

Which of the following is domain of industrial ecology.

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The materials extractor

The materials processor

The consumer

All of above

Fullerene or bucky ball is made up of ________ carbon atoms.

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100

20

75

60

Since the acid gives both acidic and normal salts so the acid is.

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di acid

di basic

double salt

Any of above

The phase rule was deduced by

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Gibbs

Thomson

Troution

Henry

According to SHAH concept the Lewis bases were classified on the basis os.

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Charge ion size

Polarization consideration

Electron and co coordinating ability

All of above

Which of the following compound does not following octet rule.

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CS2

PBr3

IBr

Br F3

The intensity of magnetization produced per unit strength of the applied magnetic field is called magnetic susceptibility., which of the following statements is not related with this phenomenon.

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Confirmation of structure of given compound

Complex storeochemistry

Diamagnetic nature of molecules

Paramagnetic nature of molecules.

Ionic compounds in general possess both

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High melting point and non -directional bonds

High melting points and low boiling poinits

Directional bonds and low boiling points

High solubility in polar and non -polar bonds.

The word 'ceramic' meant for.

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Soft material

Hard material

Burnt material

Dry material

Which of the following analytical technique is not concerned with atomic spectroscopy.

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Flame photometry

Flame emission spectrometry

Atomic absorption spectrometry

I-R spectrophotometry

Which of the following statement is not true with respect to hydrocarbons.

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They are gaseous and liquids

They can be saturated or unsaturated

They in air by themselves alone cause harmful effects

They form photochemical oxidants

Which of the following polymers is chlorinated.

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Orlon

Neoprene

Dacron

None of these

Any property whose magnitude is independent of the amount of substance present is called a/an

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Extensive property

Colligative property

Structural propety

Intensive property

_________ is preferred for horticultural crops and for tobacco and potatoes.

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Potassium Chloride

Potassium Sulphate

Potassium NItrate

None of these

The degree of dissociation of weak acid increases with.

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Decreasing pressure

Increasing pressure

Increasing concentration

Decreasing concentration

What element constitutes the major component of most bronzes.

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Tin

Zinc

Carbon

Aluminum

Dibornae is used

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Fro high energy fuel

For welding torches

as reducing agent

All above

LiAIH4 is most useful reducing agent It reduce to alcohol

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Aldehydes

Ketone

Carboxylic acid

Any of above

The Lewis structure of which of the following does not have coordinate bond.

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SO2

HNO3

H2SO4

HNO2

AI Cl3 acts as a strong Lewis acid, because it is.

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A covalent compound

Readily hydrolyzed

Electron deficient

An ionic compound

Sodium silicate is used

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In the paint industry

For fixing labels to glass

In a soap industry

All above

Which of the following statements is not related with principal requisites of water for industrial purposes.

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It should be pure and cool

It should not contain iron

It contains less quantity of line

It must be soft

The valence shell electronic configuration of group III A is.

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ns1 p2

ns2 p1

ns3p2

ns2p2

Bases and reducing agents are electron giving agents and also called as.

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Electrodotic

Electrophile

Nucleophile

None of above

In whihc period, the element with least ionization enthalpy belong to

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Group I

Group 2

Group 17

Group 18

The bromine produced on commercial scale may contain impurities of.

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Water

Chloride

iodine

All above

a- pinene hydrochloride on warming rdarranges to form bornyl chloride.The rearrangement is known as.

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Pinacol pinacolone

Hofinann

Wager Mecrwein

Wolff

Organic farming is the technique of raising crops through uses of.

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Manures

Biofertilizers

Resistant varieties

All of these

Which of the following gas form weakly acidic sulphurous acid

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SO2

SO3

NO2

NO

Natural fertilizers are materials derived from

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Plants

Animal

Algae

All of above

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