Question # 1

Gases deviate from ideal behaviour at high pressure.Which of the following is correct for non-ideality?

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at high pressure the gas molecules move in one direction only

at high pressure the collisions between the gas molecules are increased manifold

a high pressure the volume of the gas become insignificant

at high pressure, the intermolecular attraction becomes significant

If absolute temperature of a gas is doubled and pressure is reduced to one half, then the volume of the gas will

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remains unchanged

increases unchanged

reduces to 1/4

increases 4 times

Aniline is the derivative of the benzene containing the

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Hydroxyl group

Amino group

Amido group

Imido group

Arginine, lysine and ornithine are

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Obtained by hydrolysis of proteins

Essential amino acids

Basic amino acids

Derived from butyric acid

Sugar crystals belong to the system

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cubic

monoclinic

triclinic

orthorhombic

The word paper is derived from the name of which reedy plant

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rose

sun flower

papyrus

water hyacinth

Which of the following equation is for idea gas:

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PV = dRT

PR = nTP

PM = nRT

PV = nRT

According to kinetic theory of gases there are

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Intermolecular attractions

Molecules which have considerable volume

No intermolecular forces of attraction

The velocity of molecules decreases for each collision.

What is the weight of 10 dm³of CO₂at 27°C and 2 atm?

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89.3 g

56.1 g

125 g

127 g

The partial pressure of 0₂in the lungus is

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116 torr

159 torr

560 torr

760 torr

Among the following, which one is nucleophile

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H+

Ca2+

OH-

Na+

Analytical chemistry is the science of :

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Chemical Characterization.

Physical Characterization.

Biological Characterization.

Biochemical Characterization.

S_N1 reaction of alkylhalides leads to

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Retention of configuration

Recemisation

Inversion of configuration

None of these

B.O.D is connected with

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Organic matter

Microbes

Mircrobes and organic matter

None of the above

Which of the following is used as anesthetics

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Alcohol

Diethylether

Phenol

Dimethyl ether

C₆H₆Cl₆can be obtained from

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HCl and Benzene

Cl₂and Benzene and AlCl₃

Cl₂and Benzene in diffused light

NaOCl and Benzene

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Acidic amino acid

Basic amino acid

Neutral amino acid

None of these

Hydrochloric acid available in the laboratory is 36% w/w. The density of HCl solution is 1.19 g cm^-3. The molarity of HCl solution is

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10.23 moles dm^-3

11.55 moles dm^-3

11.73 moles dm^-3

12.67 moles dm^-3

According to the periodic law, the chemical properties of the elements are periodic functions of their

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Density

Atomic number

Atomic mass

Mass number

Which of the following is not fatty acid?

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

Which one of the following is a water soluble vitamin

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Niacin

Riboflavin

Tyrosine

Ascorbic acid

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