Question # 1

The particle of an atom having negative charge on it.

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Electron

Proton

Neutron

Nucleus

Positively charged particle of an atom is called.

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Electron

Proton

Atom

Neutron

Chemical formula of Sulphuric Acid.

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HCl

H2SO4

HNO3

CH3COOH

What is transferred by teh movement of waves.

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matter

energy

both a and b

None of these

Which of the following is the major cause of tides.

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Heating oceans by the Sun

Changein the wind direction

Gravitaational pull of the Moon

Earthquakes on the surface of the ocean floor.

A piece of iron is kept in open air for 5 days. A film of corrosion formed over it is.

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Iron oxide

Iron sulphide

Iron Chloride

Iron Hydride

The total numebr of electrons which M shell can accommodate

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2

8

18

32

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

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Tuberculosis

Typhoid

COVID-19

Hepatitis

The structure in plants used to produce food for plant is.

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Stem

Root

Branch

Leaf

Which is not used in the preparation of orange juice.

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Garlic

Orange

Sugar

Water

The outer layer of human skin is

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Endodermis

Cortex

Pitch

Epidermis

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