Question # 1

Pressure of 1Nm^-2 is equal to

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One bar

1 psi

One pascal

One atmosphere

Monomer for acrylic resins is

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Acrylic acid

Methylmethacrylate

Acryloritrile

All

Amino acids are bifunctional organic compounds what are the two function groups

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Carboxylic acid and alcohol

Acohol and aldehyde

Carboxylic acids and ketone

Amino group and carboxylic acid

Butane has isomeric forms

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3

4

2

1

In Purification of potable water the coagulant used is

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nickel sulpahte

copper sulpahte

barium sulphate

alum

An example of bydrolase is

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Amylase

Lipase

Fumarase

A,C

Cyclone collector is used to reduce

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Noise pollution

Air pollution

Water pollution

Radioactive pollution

Final product of hydrolysis of nitrile is

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Ketone

Alcohol

Aldehyde

Carboxylic acid

Which of the following laws study the pressure-volume relationship of a gas at constant temperature,we get

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a straight line

a curve with different peaks

straight line parallel to x-axis

a curve called isotherm

The percentage of SO₂ produced by volcanoes is:

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47%

57%

67%

77%

Monosaccharides adn oligosacchardies are generally called as

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Crystal

Sugars

liquids

Non-sugars

Hydrocarbon which is liquid at room temperature is

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Pentane

Butane

Propane

Ethane

Tryosine was isolated from

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Butter

Cheese

Oils

Fats

Cyanohydrin of which of the following forms lactic acid

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HCHO

CH₃COCH₃

CH₃CHO

CH₃CH₂CH₂CHO

Kolb's method is not useful for the production of

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Methane

Ethane

Propane

Butane

The number of amino acids found in proteins that a human body can synthesize is

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20

10

5

14

Best medhod of preparation of alkyl halide from alcohals is by its reaction with:

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HX

SOCl₂

Px₅ and PX₃

All

Which property is not present in Al?

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Reacts with acid

Reacts with bases

Changes litmus paper

Changes methyle orange colour

Charge to mass ratio of electron was discovered by:

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Millika.

Rutherford.

J.J. Thomson.

Chadwick.

An oil or fat with no double bond have iodine number:

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Zero

100%

50%

Minimum

The human body can synthesize ______ amino acids

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1

10

20

19

Hydrolysis of protein by 6M HCl gives peptides and thenα-amino acids. How manyα-amino acids molecules are obtained on the hydrolysis of a tetrapeptide

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2

3

4

5

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