This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
The filament of an electric bulb is made of?
Correct!
Wrong!
Washing soda is the common name for?
Correct!
Wrong!
Heavy water is?
Correct!
Wrong!
Chemical formula for water is?
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!
Carbon, diamond and graphite are together called?
Correct!
Wrong!
Which of the following is used in pencils ?
Correct!
Wrong!
Chemistry science quiz 22
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