This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
What is laughing gas?
Correct!
Wrong!
Potassium nitrate is used in?
Correct!
Wrong!
The two elements that are frequently used for making transistors are?
Correct!
Wrong!
Carbon, diamond and graphite are together called?
Correct!
Wrong!
In which of the following activities silicon carbide is used?
Correct!
Wrong!
Most soluble in water is?
Correct!
Wrong!
Among the various allotrope of carbon?
Correct!
Wrong!
Sodium metal is kept under?
Correct!
Wrong!
Science Quiz 107
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