Question # 1

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

Which one of the following ion does not cause hardness in water?

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Ca⁺²

Mg^-2

SO^-2

Na⁺

At dynamic equilibrium:

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The reactions stops to proceed

The amounts of reactants and products are equal

The speed of the forward is reverse reactions are equal

The reaction can no longer be reversed

Which of the following thing is a lewis base?

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NH₃

BF₃

H⁺

AlCl₃

What one of the following does not contain protein?

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Pulses

Potatoes

Beans

Eggs

Amino acid are the building blocks of .

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Proteins

Carbohydrates

Vitamins

fats

Bases gave taste:

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Bitter

Sweetsh

Sour

Saltish

Ammonia is prepared by:

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Solvay's process

Haber's process

Floatation process

Bayer's process

Fructose contain group.

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Ketone

Aldehyde

Alcoholic

Alkyl

Which is not a character of SO₂

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it is a colourless gas

It has irritating smell

It causes suffocation

It do not form sulphuric acid

Main component of natural gas is

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Methane

propane

Butane

Propene

What is the percentage of carbon in anthracite?

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60%

70%

80%

90%

Benzene is formed by the polymerization of.

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Alkene

Alkane

Acetylene

Methane.

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

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