Question # 1

Aromatic compounds are given this name because of;

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smell they have

slippery touch they have

bitter taste they have

sour taste they have

Imperial chemical industries was established in.

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1942

1944

1950

1990

Almost all aircrafts fly in:

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troposphere

mesosphere

stratosphere

themosphere

Formula of palmitic acid is.

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C₁₅H₃₁COOH

C₁₂H₃₅COOH

C₁₅H₃₀COOH

C₁₇H₃₄COOH

Traces of acetylene are present in coal gas about.

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0.06 %

0.08%

1.1%

90%

Which organ cause to function during Jaundice?

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Liver

Kindney

Stomach

Large intestine.

The strong heating of coal in the absence of air called.

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Maltose is commonly found in .

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Cereal

Milk

Cotton

Honey

Which chemical is called king of chemicals?

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KNO₃

H₂SO₄

HCl

NHO₃

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

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water

oil

benzene

petrole

Which helps in lowering of cholesterol level?

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Vitamin

Fiber

Carbohydratres

All of them

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

K_c is always equal to

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Rf/Rr

Kf /Kt

Kf/Kr

Rr/Rt

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