Question # 1

A saturated solution of sodium chloride is called.

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Brine

Suspension

Colloidal

None of these

The number of carbon atoms present in fuel oil.

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14-18

15-18

16-18

17-18

At the height 880120 km from earth's surface is.

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Troposphere

Mesosphere

Stratosphere

Thermosphere

The body reactions are catalized by.

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Amino acids

Lipids

Enzymes

Fatty acids

The substances formed during the chemical reaction are called.

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Product

Reactants

Radicals

Element

The surface tension of water is:

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very low

moderate

high

zero

The residual oil is heated above 400 c to produce.

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Lubricants

Paraffin wax

Asphalt

All

Pitch is black residue of

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Coke

Coal-tar

Coal

Coal gas

Ethyl butanoate smells like.

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Apple

Pine apple

Lemon

Melon

When the number of moles of both sides are equal in a reaction then the unit of Kc will be:

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no unit

mol-2 dm6

mol dm3

mo-2 dn

Which of the following is reducing sugar.

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Glucose

Fructose

Sucrose

Starch

The % age of carbon in peat is :

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60%

70%

80%

90%

General formula of carbohydrate is.

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C_n(H₂O)₆

CH

C_nH_2n

C₆H_2nO

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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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