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FIRST TERM CLASS 9 CHEMISTRY

Authored by Brains Akd

Chemistry

9th Grade

Used 217+ times

FIRST TERM CLASS 9 CHEMISTRY
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The scientist known as the Father of Electricity is

Sir Humphry Dav

Ernest Rutherford

John Dalton

Michael Faraday

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An atom is electrically neutral because of the presence of equal number of

Protons and neutrons

Protons and electrons

Electrons and neutrons

All of these

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The mass number of an element is the number of

Electrons and neutrons

Protons

Protons and electrons

Protons and neutrons

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The atomic number of an element is 17 and its mass number is 35,

it has 18 protons

has 17 neutrons

has 18 neutrons

has 18 electrons

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The isotope used as a fuel in atomic reactors is

Cobalt-60

Iodine-131

Carbon-14

Uranium-235

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following electronic configurations is a stable structure?

2, 8, 6

2, 8, 8

2, 8, 7

2. 7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical bonding formed by the sharing of electrons is

Ionic bonding

Covalent bonding

Co-ordinate bonding

Metallic bonding

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