Question # 1

Stearic acid present in

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Apple

Fats

Urine

Grapes

Fossil fuel means.

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Coal

Petroleum

Natural gas

All of them

Which one of the following is not a fraction of petroleum?

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Kerosene oil

Diesel oil

Alcohol

Petrol

The alkanes consisting of C₅ to C₁₀

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gases

liquids

solid

plasma

The number of carbon atoms present in petroleum gas.

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1-2

1-3

1-4

1-5

The reduction of alkyl halides takes place in the presence of.

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Zn/HCl

Na/HCl

Mg/HCl

Cu/HCl

The process by which water rises up from the roots of plants to leaves is called.

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Photosynthesis

Respiration

Surface tension

Capillary action

The heat capacity of water is.

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4.2 Jg^-1 K^-1

2.1 Jg^-1K^-1

3.2 Jg^-1K^-1

5.9 Jg^-1K^-1

Lewis acid-base concept have the following characteristics except:

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formation of an adduct

Formation of a co-ordinate covalent bound

Donation and acceptance of an electron pair

Donation and acceptance of a proton

The example of heterocyclic compound is.

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Benzene

Hexane

Cyclohexane

Pyridine

The reaction in which the products can recombine to form reactants are called.

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Reversible reaction

Irreversible reaction

Decomposition

Addition

Main component of natural gas is

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Methane

propane

Butane

Propene

Water which produces good lather with soap is called.

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Soft water

Hard water

Heavy water

All of them

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

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