This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Potassium nitrate is used in?
Correct!
Wrong!
Carbon, diamond and graphite are together called?
Correct!
Wrong!
What is laughing gas?
Correct!
Wrong!
Among the various allotrope of carbon?
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!
Science Quiz 107
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