Question # 1

Maltose is commonly found in .

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Cereal

Milk

Cotton

Honey

_______ is the king of chemicals.

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Hydrochloric acid

Nitric Acid

Sulphuric acid

Phosphoric acid

Brown hair contains.

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Iron compound

Copper compound

titanium compound

Both a and b

Formula of acetaldehyde is:

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Which one of the following is a synthetic fiber:

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cotton

wool

nylon

silk

Dehydrohalogenation take place in the presence of.

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Aqueous NaOH

Alcoholic KOH

Aqueous KOH

Alcoholic NaOH

The end product of oxidation of acetylene is .

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Oxalic acid

Glyoxal

Glycol

None of these

A base is a substance which neutralizes and acid. Which of these substances is not a base?

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aqueous ammonia

Sodium chloride

Sodium carbonate

Calcium oxide

Which one of the following statements is not correct about active mass?

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Rate of reaction is directly proportional to activ emass.

Active mass is taken in molar concentration

Active mass is represented by square brackets

Active mass means total mass of substances.

The reaction goes from left to right , if:

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Qc = Kc

Qc > kc

Qc<Kc

Qc = 0

Which acid is used for etching designs on copper plates?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Atmosphere has regions.

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One

Two

Three

Four

At which region all weather occurs?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

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