Question # 1

Which fiber contains 85% acrylonitrile by weight:

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Acrylic fiber

Azlon fiber

Saran fiber

Rayon fiber

Gas is enclosed in a container of 20cm3 with the moving piston. According to kinetic theory of gases, what is the effect on freely moving molecules of the gas if temperature is increased from 20°C to 100C.

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Colliding capability of molecule will become lower

Pressure will become one half

Temperature has no effect on freely moving molecules

Volume will be increased

Sea gets polluted bu accidental oil spills and

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Atmospheric pressure

Nitrogen gas

Cargo oil tankers

Aero plane

In intense electrical field and at a very high temperature matter generally exist in

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Solid state

Plasma state

Liquid state

Gaseous state

Ozone is most of the tropical regions acts as a pollutant and causes

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Damages to eyes

Aggravates asthma

Chest discomfort

All of these

Which of these polymer is synthetic polymer

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Animal fat

Starch

Cellulose

Polyester

Adipic acid and Hexamethylenediammine polymerize to give

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Acrylic resins

Plastic fiber

Nylon-6, 6

None

The element which has greatest value of Reduction potential is used as

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Strongest reducing agent

Weak oxidizing and strong reducing agent

Strongest oxidizing agent

None of these

Carboxylic acid having two carboxyl group are:

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Mono-carboxylic acid

Di-carboxylic acid

Tri-carboxylic acid

Tetra carboxylic acid

The graph between P onγ-axis and 1/V at x-axis for a given mass of a gas at temperature T is a

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straight line

curved upward

curved downward

circular

Which one of the following is not true relationship

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Buffers having pH less than 7 are made

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Mixture of weak acid + salt of it with strong base

Mixture of weak acid + salt of it with weak base

Mixture of weak base + salt of it with strong acid

Mixture of weak base + salt of it with weak base

The total values of magnetic quantum number of subshell are five, the subshell is

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S-subshell

P-subshell

D-subshell

F-subshell

In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as

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Schmidt reaction

Aldol condensation

Beckmann's rearrangement reaction

Tischenko reaction

The alkaline earth elements have in their s-orbital

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One electron

Two electron

No electron

Three electron

Which of the following will have the highest boiling point?

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Methanal

Ethanal

Propanal

2-Hexanone

Which structure shows a primary alcohol

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The total number of possible values of magnetic quantum number for the value of l=3 is

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3

1

5

7

Dehydration of allcohol gives:

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Alkane

Alkene

Aldehyde

ketone

Which of the following will have the highest boiling point

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Methanol

Ethanol

Propanal

2-hexanone

Atomic number of Al is 13. When it forms ionic bond with oxygen the number of electrons lost by 1 Al atom is

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1

2

3

4

When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to

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One gm, atomic weight

One gm, Equivalent

Eletrochemical equivalent

None of the above

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