Question # 1

Which one of the following is a metalloid.

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sulphur

Antimony

Mercury

Zinc

For which mechanisms, the first step involved is the same

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E₁and E₂

E₂and SN₂

E₁and E₂

E₁and SN₁

The solution of which acid is used for seasoning of food.

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Formic acid

Acetic acid

Benzoic acid

Butanoic acid

The conversion of ethene to ethanol is an example of.

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Hydration

Dehydration

Neutralization

Esterification

Elements of Groups IIA are called

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Alkali metals

Alkaline earth metals

Coinage metals

Halogens

Which substance is formed by the catalytic oxidation of methane at 100 ^oC, 200 atmospheric pressure and copper catalyst

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Methanol

Methanal

Methanoic acid

All of these

Which one of the following proteins transports oxygen in blood stream.

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Insulin

Albumin

Hemoglobin

Globulin

Which of the following will have the highest boiling point.

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Methanal

Ethanal

Propanal

2-Hexanone

Which one of the following substances have garlic odour and a colourless gas.

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CH3OH

HCOOH

CH2=CH2

HC= CH

Aluminium is used for making petrol and milk storage tanks because it is

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Conductor

Non magnetic

Excellent reflected

Corrosion resistant

In IUPAC system, the name of K4[Fe(CN)6] is

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Potassium ferricynaide

Potassium ferrocynide

Potassium Hexacyanoferrate (II)

Poatssium hexacaynoferrate (III)

Which one of the followings is major product when HBr reacts with 2-butene

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2- bromobutane

1- bromobutane

1-1 di bromobutane

1,2 di bromobutane

Zymase can be used to convert glucose to

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Carbon and steam

CO2 and hydrogen

CO2 and Ethanol

Ethanol and water

Aromatic hydrocarbons are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

The word paper is derived from the name of which reedy plant

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Rose

Sun flower

Papyrus

Water

What are the number of the electrons in valence shell of P in PCl3

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4

6

8

10

Which one of the following group of Periodic table called chalcogen family.

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Group III A

Group VA

Group VI A

Group VII A

Which woody raw material is used for the manufacture of paper pulp

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Cotton

Biogases

Rice straw

Poplar

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