Question # 1

At equilibrium state there are possibilities: OR types of chemical equilibrium are.

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1

2

3

4

Which one of the following salts makes the water permanently hard?

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NaCO₃

NaHCO₃

CA(HCO₃)₂

CaSO₄

Nucleic acids made up of long chain of.

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Nucleotide

Fatty acids

Amino acid

None of them

Which one of the following is not a greenhouse Effect?

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Increasing atmosphere temperature.

Increasing food chains

increasing flood risks

Increasing sea-level

The functional group -COOH is found in.

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Aldehydes

Esters

Carboxylic acids

alcohols

Which of the following gas is used in warfare?

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Methane

Ethane gas

Mustard gas

None of these

The body reactions are catalized by.

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Amino acids

Lipids

Enzymes

Fatty acids

Global warming is because of.

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Absorption of infrared radiation emitted by earth surface.

Absorption of infrared radiation coming from sun.

Absorption of infrared Ultraviolet coming from the sun.

Emission of ultraviolet radiation from the earth's surface.

Which compound do not produce in the halogenation of methane.

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Chloroform

Carbon tetrachloride

Carbon black

Chloromethane

50% dextrose contains approximate amount of energy.

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250 calories

16 Calories

170 calories

120 calories

Potassium Ferrocyanide is a:

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Normal salt

Mixed salt

Complex salt

Double salt

If Qc = Kc the reaction goes in:

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Forward

Reverse

At equilibrium state

None

Which is simplest alkane?

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CH₄

C₂H₈

C₂H₂

C₂H₄

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