Science Quiz 51

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

Brass gets discolored in air because of the presence of which of the following gases in air?

Nitrogen

Carbondioxide

Hydrogen sulphide

None of these

Correct! Wrong!

Bromine is a?

Red liquid

Black solid

Colorless gas

None of these

Correct! Wrong!

Soda water contains?

Carbonic acid

Sulphuric acid

Carbon dioxide

both (a) & (b)

Correct! Wrong!

Carbon, diamond and graphite are together called?

Isomers

Allotropes

Isotopes

None

Correct! Wrong!

Tetraethyl lead is used as?

Mosquito repellent

Fire extinguisher

both (a) & (b)

Petrol additive

Correct! Wrong!

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is?

Argon

Helium

Xenon

None of these

Correct! Wrong!

Potassium nitrate is used in?

Fertilizer

Salt

Medicine

None of these

Correct! Wrong!

Among the various allotrope of carbon?

Diamond is the hardest, lamp black is the softest

Diamond is the hardest, graphite is the softest

Diamond is the hardest, coke is the softest

none

Correct! Wrong!

Science Quiz 51

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Science Quiz 51

Brass gets discolored in air because of the presence of which of the following gases in air?

Bromine is a?

Soda water contains?

Carbon, diamond and graphite are together called?

Tetraethyl lead is used as?

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is?

Potassium nitrate is used in?

Among the various allotrope of carbon?

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Science Quiz 51

Brass gets discolored in air because of the presence of which of the following gases in air?

Bromine is a?

Soda water contains?

Carbon, diamond and graphite are together called?

Tetraethyl lead is used as?

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is?

Potassium nitrate is used in?

Among the various allotrope of carbon?

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Science Quiz 52

Science Quiz 50

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