Welcome to the Science Quiz 141

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120

Which of the following is not an isotope of hydrogen?

Yttrium

Protium

Deuterium

None

Correct! Wrong!

Air is a/an?

Element

Compound

Mixture

None

Correct! Wrong!

Potassium Permanganate is used for purifying drinking water, because?

It is an oxidizing agent

It is a reducing agent

It is a sterilizing agent

None

Correct! Wrong!

In fireworks, the green flame is produced because of?

Lead

Barium

Copper

None

Correct! Wrong!

Which of the following was to be discovered first in the chromospheres of the sun?

Neon

Helium

Xenon

All of the above

Correct! Wrong!

Which of the following are the ingredients of gun metal?

Copper, Tin

Iron, Brass, Tin

Iron, tin

All of these

Correct! Wrong!

Which metal pollute the air of a big city?

Cadmium

Lead

Chromium

None

Correct! Wrong!

The property of a substance to absorb moisture from the air on exposure is called ?

Deliquescence

Efflorescence

Osmosis

None of these

Correct! Wrong!

Science Quiz 141

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Welcome to the Science Quiz 141

Which of the following is not an isotope of hydrogen?

Air is a/an?

Potassium Permanganate is used for purifying drinking water, because?

In fireworks, the green flame is produced because of?

Which of the following was to be discovered first in the chromospheres of the sun?

Which of the following are the ingredients of gun metal?

Which metal pollute the air of a big city?

The property of a substance to absorb moisture from the air on exposure is called ?

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