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