Question # 1

Which of the following statement is not correct for glycogen

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It is main storage of carbohydrates

It structure does not resemble Amylopectin

It has 1 → 4 and 1 → 6 glycosidic linkage

On hydrolysis it yields glucose units

In a given system, water and ice are in equilibrium, if the pressure is applied to the above system then

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Morc ice is formed

Amount of ice and water will remain the same

more ice is melted

both A and B

London forces are more affective at

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low temperature

high temperature

low pressure

low temperature and high pressure

One Pascal is equal to

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1 Nm^-2

1 Nm

1 Nm^-1

1 Nm²

organic synthetic or man made polymers are plastics, rubber and fibre, Which is not a synthetic polymer

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silk

polyester

polyvinyl chloride (PVC)

nylon

Which of these polymers is an addition polymer

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Nylon 6, 6

Polystyrene

Terylene

Epoxy resin

The ionization energy of hydrogen atom is

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Zero

131.3kJmole

13.13kJ/mole

1313kJ/mole

The nature of crystal of diamond is

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metallic

molecular

covalent

ionic

Rate of which reaction increases with temperature?

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Exothermic and endothermic reactions

Endothermic reactions

Exothermic reactions

None of these

One Joule is equivalent to

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4.184 cal.

0.4184cal.

1/2 cal.

1/4.184 cal

For a chemical reaction which can never be a fractional no

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order

molecularity

half-life

rate constant

Nitration of phenol gives

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o-nitrophenol

p-nitrophenol

m-nitrophenol

Both o and p-nitrophenol

Which of the following metal exhibits more than one oxidation?

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Na

Mg

Fe

Al

Which of the following equations represents the action of heat on NaHCO₃

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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

A cell in which spontaneous redox reaction generates an electric current is called

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Electrolytic cell

Electrochemical cell

Voltaic or Galvanic cell

Biological cell

The reaction rate is expressed in the units of

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Mol dm^-3S^-

Mol dm^-3

Mol dm^-3N^-

dm^-3S^-

Which has highest 1st I.E.

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Br

Cl

F

l

The solution of which acid is used for seosoning of food ?

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Formic acid

Acetic acid

Benzoic acid

Butanoic acid

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Elimination Esterification

Elimination Isomerisation

Oxidation Exterification

Oxidation Oxidation

The order of distance between the various Bohr orbits is

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r₂- r₁> r₃- r₂> r₄- r₃> ......

r₁> r₂> r₂- r₃> r₄-r₃> .....

r₂-r₁= r₃- r₂= r₄- r₃> .....

r₂- r₁> r₃- r₂< r₄- r₃< ....

Hydrocarbons contain

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C and S only

C and H only

C, H, and O only

C, H, O and N only

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