Question # 1

An element with fifteen protons in its atomic nucleus has atomic numebr.

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5

10

15

20

Select all that happen during a chemicla change.

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A temporary chagne occurs.

Composition of the substanes is changed.

Propertis of the sbstances are changed.

New substances with different properties are formed.

Centigade scale is also called

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Fehrenheti scale

Fake scale

Absolute scale

Celsius scale

Which of the following is an anion.

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F

Cl

S-2

NH3

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

--------- is the inflammation of liver.

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Tuberculosis

Typhoid

COVID-19

Hepatitis

In virus,..... is used to identify the host cell.

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Genome

Coat

Spike

Capsid

What is the season on 22 June in the southern hemisphere.

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Spring

Autumn

Sumer

Winter

The central part of an atom is called.

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Electron

Proton

Neutron

Nucleus

Exchange of gases takes place in.

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Lungs

Bronchioles

Aleoli

Blood

The Moon creates tides also in our atmosphere, they are called.

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Winds

Solar tides

Lunar wind

Tides

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