This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Washing soda is the common name for?
Correct!
Wrong!
Chemical formula for water is?
Correct!
Wrong!
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is?
Correct!
Wrong!
The filament of an electric bulb is made of?
Correct!
Wrong!
Carbon, diamond and graphite are together called?
Correct!
Wrong!
Which of the following is used in pencils ?
Correct!
Wrong!
Heavy water is?
Correct!
Wrong!
Tetraethyl lead is used as?
Correct!
Wrong!
Chemistry science quiz 22
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