This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Brass gets discolored in air because of the presence of which of the following gases in air?
Correct!
Wrong!
Bromine is a?
Correct!
Wrong!
Potassium nitrate is used in?
Correct!
Wrong!
Carbon, diamond and graphite are together called?
Correct!
Wrong!
Among the various allotrope of carbon?
Correct!
Wrong!
Soda water contains?
Correct!
Wrong!
Tetraethyl lead is used as?
Correct!
Wrong!
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is?
Correct!
Wrong!
Science Quiz 51
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