Question # 1

Cathode rays are actually

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Electrons

Protons

Neutrons

Photons

The example of solution of a solid solute in a solid solvent is

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Brass

Fog

Cheese

Air

The branch of chemistry which deals with qualitative & quantitative analysis of matter is :

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Analytical

Nuclear

Biochemistry

Organic

________________ are formed from chemical reactions.

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Elements

Mixture

Substance

Nil

Electrons carry _________ charge.

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+

_

Neutral

Bouble Positive

The bond between two atoms will be ionic if the difference between their electronegativities is:

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Less than 1.7

Greater than 1.7

Zero

Less than 1.2

____________ solids are arranged in 3 dimension.

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Crystalline

Amorphous

Both

None

The vertical columns in the periodic table are called:

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perlods

groups

rows

blocks

The fundamental unit of elements is ___________

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Molecule

Atom

Matter

Mixture

There are _________ types of bonds.

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1

2

3

4

The lowest energy level is

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K

L

M

N

H8+ _ Cl8- , the charge on H is.

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_

+

Neutral

Nil

Which of the following can accommodate 18 electrons?

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K

L

M

N

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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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