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प्रश्न
Give two examples of the following substance.
Fuel
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उत्तर
Two examples of Fuel:
1. L.P.G.
2. Petrol
3. Coal
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संबंधित प्रश्न
How is chemistry helpful in improving the health of human beings?
Name the chemicals which help in increasing food production.
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Oxygen
Explain in brief the importance of Chemistry in agriculture.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Ordinary soap is wasted in hard water.
Food processing is an important procedure for obtaining marketable food products.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
