Welcome to the Science Quiz 48

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

From which mineral is radium obtained?

Haematite

Pitch blende

Limestone

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!

Air is a/an?

Element

Compound

Mixture

None of these

Correct! Wrong!

Actinides are the elements with atomic numbers from?

97 to 104

36 from 43

both (a) & (b)

89 to 103

Correct! Wrong!

Which of the following does not contain a coinage metal?

Zinc and Gold

Copper and Silver

Silver and Gold

None of these

Correct! Wrong!

Non stick cooking utensils are coated with?

Teflon

Magnalium

Invar

None

Correct! Wrong!

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

Neon

Helium

Sulphur dioxide

All of these

Correct! Wrong!

In fireworks, the green flame is produced because of?

Lead

Barium

Copper

None of these

Correct! Wrong!

Science Quiz 48

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Welcome to the Science Quiz 48

From which mineral is radium obtained?

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

Air is a/an?

Actinides are the elements with atomic numbers from?

Which of the following does not contain a coinage metal?

Non stick cooking utensils are coated with?

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

In fireworks, the green flame is produced because of?

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