Question # 1

The rate of reaction between A and B increases by a factor of 100, when the concentration of A is increased 10 folds, the order of reaction with respect to A is

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10

1

4

2

Fourth structure of protein structure refers to

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Proteins formed of more than one monomer

Myoglobin is an example

Depends on covalent bonds

None of these

The crystals formed due to London forces of interaction are

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ionic

covalent

molecular

metallic

Lecithin is an example of:

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A simple lipid

Phospholipids

Waxes

Proteins

Vapour pressure of a liquid

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increasing with increase of temperature

increases with decrease of temperature

increases with size of container

increases with volume of liquid

Fine powder gypsum is mixed with clinker up to:

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4%

6%

5%

7%

Reaction of acetic acid with LiAIH4 gives

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Ethanol

Ethanal

Ethane

Ethyl acetate

The motion imparted to the gas molecules by gravity is

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very small

very large

negligible

appreciable

The volume of a gas that is occupied by its one mole at STP is called

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total volume

normal volume

molar volume

atomic volume

Compared with alkaline earth metals, the alkali metals exhibit.

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lower ionization energies

greater hardness

high boiling point

smaller ionic radii

Among the following, which one is nucleophile

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H+

Ca2+

OH-

Na+

Which statement is true about order of reaction :

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Order of reaction can only be determined by an experiment.

Order of reaction can be determined from a balance equation only.

Order of reaction increase by increasing temperature.

Order of reaction must be in whole number and not in fraction.

Alcohol can be denaturated by adding:

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Acetone

Methanol

Pyridine

All

Which of the following is not a state function

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Pressure

Temperature

Enthalpy

Amount of substance

Self linkage of carbon to produce long chains

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isomerism

Polymorphism

Polymerization

Catenation

Domestic waste mostly constitutes

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Non-biodegradable pollution

Biodegradable pollution

Effluents

Air pollution

During the preparation of alkynes the active metals that react with tetra halo-alkanes are

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Zn

Mg

Both a and b

None

When fused PbBr2 is electrolyzed :

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Lead appears at anode.

Lead appears at cathode.

Bromine appears at cathode.

Lead appears at both electrodes.

Cu²⁺with d⁹electronic configuration appears

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Yellow

Pink

Blue

Green

Propyne on hydrolysis in presence of H₂SO₄and HgSO₄gives

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Acetaldehyde

Acetone

Formaldehyde

None

Carboxylic acids on complete reduction in the presence of Hi and red phosphorus gives:

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Esters

Alcohols

Alkanes

Aldehydes

Reaction of Griganard's reagent with CO₂gives:

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Aldehyde

Pri-alcohol

Sec-alcohal

Carboxylic acid

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