Question # 1

At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with size of temperature due to

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increase in average molecular speed

increase in number of moles

increase in molecular attraction

decrease in the distance between the molecules

Ecosytem is a smaller unity of:

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nydosphere

biosphere

lithosphere

atmosphere

L-asparginase is helpful in treatment of

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skin disease

blood cancer

heart failure

obstructive jaundice

Abumins and globulins are defined as

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Derived protein

Conjugated protein

Fibrous protein

Simple Protein

The values of ∆H for the process l(g)+e-1--------->
I-1(g) is:

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>0

<0

0

None

The formation of acetic anhydride from acetic acid follows the mechanism

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SN

AN

SE

AE

Acidification of soil can leach metal:

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Al

Hg

Pb

Ca

Someone is saying that glass must be a super cooled liquid. The reason that he might have in his mind is that glass has :

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definite shape

definite-volume

crystalline structure

no crystalline structure

One of the following is potically non active amino acid

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Valine

Tyrosine

Glycine

Theronine

Which one of the following is not air pollutant gas

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CO

CO₂

NO

SO₂

Polymerization process was classified in

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1926

1927

1929

1931

What happens when reaction is at equilibrium and more reactant is added :

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Forward reaction rate is increased.

Forward reaction rate is decreased.

Backward reaction rate is increased.

Equilibrium remains unchanged.

The boiling point of glycerol is more than propanal because of

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Hybridisation

H-bonding

Resonance

All these factors

In the reaction of oxalic acid with KMnO₄and H₂SO₄is slow at the beginning but after sometimes the reaction becomes faster due to

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Formation of MnSO₄which acts as 'Auto catalyst

Formation of CO₂which acts as 'Auto catalyst

Formation of K₂SO₄which acts as 'Auto catalyst

Evolution of O₂gas which acts as 'Auto catalyst

The atomic radius increases as we move down a group because

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Effective nuclear charge increases

Atomic mass increases

Additive electrons are accommodated in new electron level

Atomic number increases

Which of the following compounds on boiling with KMnO₄(alk) and subsequent acidification will not give benzoic acid?

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Benzyl alcohol

Acetophenone

Anisole

Toluene

Boiling point of acetic acid is°C:

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116

117

118

119

Which of the following has linear shape?

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SP

SP²

SP³

None of the above

10% aqueous solution of NaCI has molarity

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1.7 M

2.7 M

0.17 M

3.7 M

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Excitantion of an electron from 2s to 2p-orbital

Transfer of three electrons from B to the other atoms

Excitation of two electrons form 2s orbital to 2p orbital

Formation of molecular ion

The conversion of chemical energy into electrical energy requires :

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Electrolytic cell

Galvanic cell

Voltaic cell

Both (b) and (c)

A phtotographic plate is coated with an emulsion of silver nitrate and

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AgCI

AgI

AgBr

NaNO₃

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