Question # 1

The alcohol that does not form curbonyl compound on oxidation

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iso-butyl alcohol

neo pentyl alcohol

Ethanol

ter-butyl alcohol

Simplest Structure of a protein that has only covalent bonding between amino acids is

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2° structure

3°structure

1° structure

4° structure

Oceans, rivers, streams, leaks, polar ice caps, glaciers and group water reservoirs are included in

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Atmosphere

Lithosphere

Hydrosphere

Biosphere

Atmosphere consists of gasses:

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N₂

O₂

Ar

All

Which of the following is thermosetting polymer

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Synthetic varnishes

Epoxy resins

PVC

Both A and B

Which of the following protien is found in bone

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Keratin

Ossein

Mucin

Actin

Which of the following has isomorphous structure with MgO

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NaF

S

Sn

N

Which one of the following is not an alicyclic compound?

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Cyclohexene

Cyclohexane

Benzene

Cyclopentane

Which of the following ketone will not give iodoform test

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Methyl isopropyl ketone

Dimethyl ketone

Ethyl isopropyl ketone

2-hexanone

How many zones through which the charge passes in a rotary kiln?

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4

3

2

5

Pressure remaining constant, at which temperature the volume of a gas will become twice of what it is at 0°C

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546°C

200°C

546 K

273 K

The valency of noble gases, in general, is

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Zero

One

Three

Two

1, 3-Dibromopropane reacts with metallic zinc to form

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Propene

Propane

Cyclopropane

Hexane

Which of the following is an isomer of ethanol

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CH₃OCH₃

C₂H₅OC₂H₅

CH₃OH

C₂H₅OH

Which of the following has unchanged valency?

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H

Na

Fe

Oxygen

Aldehydes which do not haveα-hydrogen undergo

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Aldol combination

Cannizzaro's reaction

Substitution

Elimination

The temp. and pressure used for PVC polymerization is

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10°C and 10 atm

20°C and 20 atm

52°C and 9 atm

100°C and 10 atm

1 mole of N₂and 2 moles of H₂are allowed to react in a 1 dm³vessel. At equilibrium 0.8 mole of NH₃is formed. The concentration of H₂in the vessel is

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0.6 mole

0.8 mole

0.2 mole

0.4 mole

Substances that render enzymes catalytically inactive are called

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Conenzymes

Substrates

Inhibitors

Apoezymes

Energy can neither be created nor destroyed, although it can be transformed from one form to another. This is a statement of

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Law of conservation of matter

Law of definite proportions

Law of conservation of energy

None of these

Alcohols reacts with Grignard reagent to form

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Alkanes

Alkenes

Alkynes

All

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

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sp³

dsp²

dsp³

d²sp³

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