Question # 1

General formula of carbohydrates is.

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C_n(H₂O)₆

C_n(H₂O₂)₆

C_n(H₃O)₆

C_n(H₂O₃)₆

Which gas in produced during ripening of bnabanas.

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Methane

Ethene

Acetylene

Carbon dioxide

Which is a hereditary material?

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DNA

RNA

Protein

All of them

The substances formed during the chemical reaction are called.

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Product

Reactants

Radicals

Element

For which reaction Kf is the rate constant?

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Forward reaction

Backward reaction

Upward reaction

Downward reaction

When acid react with carbonates and bicarbonates which gas is evolved?

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H2

CO₂

Cl₂

N₂

In forth flotation process the ore particles are preferentially wetted by:

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water

oil

benzene

petrole

General formula of alcohols is:

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RCHO

ROH

O= R - C -OH

O = R - C- R

Acids have taste

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Bitter

Seetish

Sour

Saltish

Out of twenty how many amino acids can by synthesized by human body?

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Five

Ten

Seven

Twelve

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

Which disease cause when humans use water of industrial effluents.

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Cancer

Asthma

Jaundice

cholera

Cause of Night blindness is.

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Deficiency of vitamin B

Deficiency of vitamin A

Deficiency of vitamin D

Deficiency of vitamin E

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