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

Question # 1

Acetic acid is a weak acid because it.

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Is used in cooking and flavouring food.

Has very low pH

Is not fully ionized

Does not contain any hydrogen ions.

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Question # 2

Gypsum in water is.

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Sparingly soluble

Insoluble

Highly soluble

None of them

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Question # 3

Rapid growth of algae in water bodies in because of detergent having.

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Carbonat salt

Sulphonic acid

Sulphat salt

Phosphate salt

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Question # 4

Manufacturing of urea involves:

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2 steps

3 steps

4 steps

5 steps

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Question # 5

The accumulation of which vitamin causes bone like deposits in the kidney.

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Vitamin D

Vitamin E

Vitamin B

Vitamin A

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Question # 6

A reaction between an acid and base produce.

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Salt and water

Salt and gas

Salt and acid

Salt and bases

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Question # 7

A substance which can behave as an acid as well as a base is called.

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Acid

Base

Amphoteric

Neutral

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Question # 8

pH of acid rain is:

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7-5

6-7

1-2

4-5

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Question # 9

A base is a substance which neutralizes an acid which of these substances is not a base?

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Aqueous ammonia

Sodium chloride

Sodium Hydroxide

Calcium Hydroxide

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Question # 10

Night blindness is because of deficiency of:

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Vitamin A

Protein

Vitamin C

Vitamin D

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Question # 11

Lipids are macromolecules. They have characteristics except one of the following.

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They are high energy foods.

They are soluble in water.

They are poor conductor of heat.

They are esters of fatty acids.

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Question # 12

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

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Question # 13

Carbon Tetra chloride is used in .

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Fertilizer

Dry cleaning

Metallurgy

Anesthesia

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