Question # 1

Carbon burns in air to release energy along with the formation of.

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Carbon dioxide and hydrogen

Carbon monoxide and hydrogen

Carbon di oxide

Carbon dioixe and water

A non - metal

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Na

Li

H

Be

People on hills experience atomospheric pressure.

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More than that at the sea level

Less than that at the sea level

same as that at the sea level

Four times more than that at the se alevel

It is use ful for stimulating growth.

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Vaccines

Interferon

Beta-endorphin

Growth hormone

------------- gas is released when dead organisms are decomposed by the decomposers.

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

بائیو پلاسٹک بنی ہوتی ہے.

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فیٹس

گلوکوز

پروٹین

سٹارچ

Angle of incidence is equal to he angle of reflection ,It is first law of.

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Refraction

Dispersion

Reflection

Diffraction

A relationship where two species live togetehr closely is called.

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Mutualism

Commensalism

Symbiosis

Hebitate

Number of elements in short period is.

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2

8

16

32

It is an anti -viral proteins.

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Vaccines

bet- endorphin

Interferon

Growth hormone

Soap is............. salt of long chain fatty acid.

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Sodium or potassium

Magnesium

Iodine

Halogen

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