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Q:

What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?

A) Paint
B) Glass
C) Gun Powder
D) Cement

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Category : Chemistry ,

Q:

Which of the following is a substance?

A) Sea water
B) Brass
C) Tape water
D) Graphite

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Category : Chemistry ,

Q:

Electron was discovered by?

A) Michael Faraday
B) James Maxwell
C) Yuri Gagarin
D) J.J Thomson

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Category : Chemistry ,

Q:

The radioactive isotope of hydrogen is called?

A) tritium
B) deuterium
C) protium
D) ortho-hydrogen

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Category : Chemistry ,

Q:

Enzymes are made of

A) Proteins
B) Lipids
C) Fats
D) Minerals

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Category : Chemistry ,