Question # 1

The study of hydrocarbons and their derived compounds is called

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Physical chemistry

Inorganic chemistry

Organic chemistry

Biochemistry

The atomic number is represented by ____________

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A

Y

X

Z

The fundamental unit of elements is ___________

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Molecule

Atom

Matter

Mixture

biology bis classified as ___________ science.

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Engineering

Physical

Natural

Chemical

An ion is a charged particles:

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True

False

In some conditions

Never

The mass of one molecule of water is:

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18 amu

18g

18mg

18kg

Which one an example of heterogeneous mixture?

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Ice cream

Concrete

Both a & b

NiL

The molecular mass of water is

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16 amu

14 amu

18 amu

20 amu

It is a triatomic molecule

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Sodium chloride

Water

Chalk

Glucose

Polyatomic molecules consist of _________ atoms.

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1

More than 1

Less than 1

2

The symbol of sodium is :

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Sa

Na

Pa

Ca

Number of protons+ neutrons is :

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Atomic mass

Mass numbers

Both

Nil

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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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