Question # 1

Which of the following least resemble an ideal gas?

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ammonia

helium

hydrogen

trichloromethane

Which solids are called true solids

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Crystalline

Vitreous

Amorphous

Metallic

For a chemical reaction in which one of the reactant also act as solvent, the order will be

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First order

Third order

Second order

pseudo-first order

Which of the following pair has the same no. of electrons in d- subshell

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Sc+3,Ti+3

Mn+2,Fe+3

Ti+3,V+3

Cr+3.Co+2

In the reaction A2 (g) + 4B2 (g) <-----------> 2AB4 (g) such that ∆H < 0, the formation of AB4(g) will be favoured at

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Low temperature and high pressure

Low temperature and low pressure

High temperature and low pressure

High temperature and high pressure

Cotton is an example of

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animal fibre

mineral fibre

vegetable fibre

synthetic fibre

Which one of the following does not act as pollutant

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Carbon monoxide

Sulphur dioxide

Hydrocarbons

Carbon dioxide

If the rate of the reaction is equal to the rate constant, the order of the reaction is

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3

1

0

2

Which of the following protien is found in bone

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Keratin

Ossein

Mucin

Actin

Protein may have

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Primary structure

Secondary structure

Tertiary structure

All of these

The %age composition of the auxiliary agent in a detergent is:

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10%

30%

50%

70%

Grignard reagent is prepared by the reaction of magnesium metal with alkyl halide in the presence of

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Alcohol

Water

Suephuric acid

Dry ether

The major components of coal gas are

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Hydrogen and methane

Ethane and carbon monoxide

Nitrogen and ethane

Ethane and carbon dioxide

The largest number of molecules are present in

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3.6 g of H₂O

4.8 g of C₂H₅OH

2.8 g of CO

5.4 g of N₂O₅

The driving force for making a bond is

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To attain noble gas electronic configuration

To make soled compounds

To make different compounds

To make gaseous substances

The number of elements in the first, second and third period are

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2, 8, 18

8, 2, 18

2, 18, 8

2, 8, 8

Which of the following will have the highest boiling point at 1 atm pressure?

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0.1 M NaCl

0.1 M Sucrose

0.1 M BaCl₂

0.1 M Glucose

Which of the following solution have zero pH

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1 M HCI

MH₂SO₄

0.1 M HNO₃

1 M CH₃COOH

The formula of calcium superphosphate is

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CaHPO₄

CaH₂PO₄

Ca(H₂PO₄)₂

None of these

The treatment of benzene with isobutene in the presence of sulphuric acid give

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isobutyl benzene

tert-Butyl benzene

n- Butyl benzene

no reaction

Which of the following is a constituent of nylon?

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Adipic acid

Styrene

Teflon

None of these

In Millikan method for determination of charge on electron the air in the chamber is ionized by

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Protons

Electric field

X-rays

a - particles

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