Question # 1

Swimming pools are cleaned by a process:

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Hydrogenation

Bromination

Chlorination

Nitration

Plants produces by the photosynthesis process.

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Glucose

Fructose

Sucrose

Maltose

The waste products driven out because of the combustion of fossil fuels.

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Primary pollutant

Secondary pollutant

Tertiary pollutant.

None of them

Industrial effluents are highly

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Toxic organic compounds.

Inorganic salts.

Heavy metals

All of them

Mesophere extend forms 50 km to:

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50 km

12 km

60 km

85 km

Coal is blackish complex mixture of compounds of

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Carbon

Hydrogen

oxygen

All

The product of any Lewis acid-base reaction is a single specie called:

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free radical

adduct

molecular ion

conjugate

Dextrose is a crystallized:

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sucrose

lactose

glucose

fructose

Dilute acids react with carbonates to produce the given products except.

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Salt

Water

Hydrogen

Carbon dioxide

Iron and steel structure are damaged by.

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Carbon monoxide

Sulphur dioxide

Methane

Carbon dioxide

Proteins are polymers of.

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Polysaccharide

Oligosaccharids

Amino acid

Nucleic acid

Our planet earth consists of ____________ natural Spheres.

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1

4

6

8

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

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