Question # 1

When the rate of a the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixture remains constant it is called.

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Chemical equilibrium

Dynamic equilibrium

Static equilibrium

All

Sum of PH and POH of a solution is:

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7

14

16

18

Condensed formula of ethane is.

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C₃H₈

C₂H_2n+2

C₂H_2n-2

C_nH_2n+1

Photosynthesis process produce.

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Carbondioxide

Glucose and oxygen

Carbon di oxide

glucose and carbondoxide

^{RNA consists of}

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Ribos

Pentose

Hexose

Trioses

A saturated solution of sodium chloride is called.

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Brine

Suspension

Colloidal

None of these

Boiling point of water is:

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0^oC

25^oC

80^oC

100^oC

Which one of the following compounds is an aldehyde?

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CH₃-CH₂-OH

CH₃-COOH

CH₃CHO

CH₃COCH₃

Glucose and fructose are.

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Pentose

Triose

Hexoses

None of these

The major components of Atmosphere are:

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Carbon and Nitrogen

Nitrogen and Oxygen

Oxygen and Chlorine

None of these

The major constituents of troposphere are:

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carbon dioxide and argon

nitrogen and oxygen

argon and oxygen

carbon dioxide and oxygen

Alkyl radical is derivative of

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Alkane

Alkene

Alkyne

All

Infrared radiations emitted by the Earth are absorbed by.

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CO₂ and H₂O

N₂ and O₂

CO₂and N₂

O₂and CO₂

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