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

Question # 1

Cholera is caused by

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Protozoa

Virus

Bacteria

Fungi

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Question # 2

Malic acid founds in:

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Apple

Fats

Rancid Butter

Oranges

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Question # 3

Dilute acids react with carbonates to produce the given products except.

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Salt

Water

Hydrogen

Carbon dioxide

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Question # 4

Which one of the following is manufactured by Solvar's process:

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caustic soda

washing soda

urea

sulphuric acid

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Question # 5

Which one of the following is a synthetic fibre?

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Cotton

Wool

nylon

silk

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Question # 6

Which of the followings is a disaccharide?

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Glucose

Fructose

Sucrose

Starch

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Question # 7

On hydrolysis sucrose produces one unit of glucose and one unit of.

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Fructose

Starch

Cellulose

None of them

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Question # 8

The layer above troposphere extend upto 50 kilometers called.

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Mesosphere

Hydrosphere

Stratosphere

Thermosphere

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Question # 9

Water become hard because of:

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Ca+2

Mg+2

SO-24

all of these

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Question # 10

The end product of oxidation of acetylene is .

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Oxalic acid

Glyoxal

Glycol

None of these

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Question # 11

A pollutant is a waste material that pollutes.

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Air

Water

Soil

All of them

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Question # 12

At equilibrium state, when reaction cases to proceed, it is called:

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equilibrium constant

dynamic equilibrium

static equilibrium

simple equilibrium

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Question # 13

Thermosphere lies beyond.

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Stratosphere

Troposphere

Mesosphere

Biosphere

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