Question # 1

All of the following are tri-atomic molecules except:

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H²

O³

H²O

CO²

Which one an example of heterogeneous mixture?

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Ice cream

Concrete

Both a & b

NiL

One amu (atomic mass unit) is equivalent to:

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1.66x10^-24 mg

1.66x 10^-24g

1.66x10 g

1.66x10^-23mg

The formula of benzene is _________

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C6H6O3

C6H6

C12H22

Nil

The value of Avogadro 'no is:

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6.023×1024

6.023×1026

6.023×1023

6.023×1020

Free radical is a

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Extremely stable

Extremely reactive

Extremely inert

All of these

There are _________ types of bonds.

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1

2

3

4

The symbol of sodium is :

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Sa

Na

Pa

Ca

The study of hydrocarbons and their derived compounds is called

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Physical chemistry

Inorganic chemistry

Organic chemistry

Biochemistry

Which of the following can be separated by physical means?

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Mixture

Element

Compound

Radical

Mixture has _________ types.

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3

2

1

No types

The molar mass of H₂SO₄ is:

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98 g

98 amu

9.8 g

9.8 amu

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9th Class Chemistry Chapter 1 Fundamentals of Chemsitry English Medium KPK Boards Online Mcqs MCQs With Answers

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