Question # 1

Stability of halogen molecules decreases from

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F2 to I1

Cl2 to I2

I2 to F2

I2 to Cl2

The process in when alkene are converted into carboxylic acid is known as

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Oxidation

Reduction

Hydrolysis

Hydration

Vegetable oils are

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Polyesters

Glycerides of unsaturated fatty acids

Essential oils

Fatty acids

Which statement is incorrect about H2SO4

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Dehydration agent

dibasic acid

Oxidizing agent

Reducing agent

The colloidal particles in raw water can be removed by

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Coagulation

Aeration

Chlorination

Hydration

A quality of raw water is improved by

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Reduction

Aeration

Dehydration

Incineration

Setting of Plaster of Paris is accompanied with

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Hydrogen bonding

Hydration

Dehydration

None of these

Which one is perchloric acid

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HClO

HClO₃

HClO₄

Which compound form benzoic acid on oxidation with strong oxidizing agent.

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Toluene

Ethyl benzene

n propyl benzene

All

The correct name of CH3-CH= CH2-OH is

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2-buten -4 -ol

3-buten-I-ol

2-Buten -I-ol

Ethylene glycol

In which of following processes are small organic molecules made into macromolecules

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the cracking of petroleum fractions

the fractional distillation of crude oil

the polymerization of ethene

the hydrolysis of proteins

Colour of which halogen is not correctly related.

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F2 --- colourless gas

Cl2---- greenish yellow gas

Br2----- Reddish brown liquid

I2-------- grayish Black solid

Which one is not an argillaceous material.

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Clay

Shale

State

Gypsum

Isopropyl alcohol on oxidation gives

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Acetaldehyde

Acetone

Ether

Propene

Ethanol on dehydration can be changed to

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Ethene

Diethyl ether

Both 'a' and 'b'

None of these

The enzyme which bring about exchange of functional group between two compounds is called.

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Hydrolases

Transferase

Lyases

Ligases

Ecosystem is a smaller unit of

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lithospher

hydroshper

atmosphere

biosphere

Bleaching powder may be produced by passing chlorine over

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calcium carbonate

hydrated calcium sulphate

calcium hydroxide

magnesium hydroxide

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