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This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Heavy water is?
Correct!
Wrong!
Washing soda is the common name for?
Correct!
Wrong!
The filament of an electric bulb is made of?
Correct!
Wrong!
Brass gets discolored in air because of the presence of which of the following gases in air?
Correct!
Wrong!
Which of the following is in liquid form at room temperature?
Correct!
Wrong!
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is?
Correct!
Wrong!
Which of the following is used in pencils ?
Correct!
Wrong!
Tetraethyl lead is used as?
Correct!
Wrong!
Science Quiz 95
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