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Chemistry

Chemistry
What is a mixture of potassium nitrate, powdered charcoal and sulphur called?

Gun powder
Paint
Glass
Cement

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Chemistry
Which of the following is not a chemical reaction'?

Digestion of food
Burning of paper
Burning of coal
Conversion of water into steam

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Chemistry
Entropy of Universe is always

Constant
Zero
Increasing
Decreasing

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Chemistry
What particles move around the nucleus of an atom and are negatively charged?

Neutrons
Electrons
Protons
Positrons

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Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Hydrogen
Nitrogen
Carbon dioxide
Oxygen

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Chemistry
The example of oligosaccharide is

Cellulose
Glucose
Ribose
Sucrose

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MORE MCQ ON Chemistry

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