Question # 1

Equilibrium constant has no unit when number of moles of reactants and products are:

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same

Different

Both a and b

None of these

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as.

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Organic chemistry

Inorganic chemistry

Biochemistry

Nuclear chemistry

Ammonia is prepared by the process .

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Ostwald

Haber

Clark

All

Sea water in unfit for drinking purpose die to the presence of.

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Salts

Algae

Fishes

All of them

How many % age of urea is used as fertilizers?

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80%

90%

95%

98%

The meaning of latin word acidus is.

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Sweet

Tasteless

Salty

Sour

Grease stains from clothes are removed by sing.

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Ammonium nitrate

Aluminium hydroxide

Ammonium hydroxide

Aluminum chloride

Which one contains triple covalent bond?

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Pentane

Ethylene

Acetylene

All

A reverse reaction is that.

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Which proceed from left to high

In which reactants reacts to form products

Which slow down gradually

Which speed up gradually

Number of vitamins in vitamin B complex is.

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10

8

6

12

Depending upon temperature variation, atmosphere ins divided into how many regions?

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1

2

3

4

pH of neutral solution is always.

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6

5

7

10

Which one of the following diseases severe diarrhea and can be fatal?

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Joundice

Cholera

Dysentery

Typhoid

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

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