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प्रश्न
_____________ help to increase the production of food.
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उत्तर
Fertilizers help to increase the production of food.
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संबंधित प्रश्न
How is chemistry helpful in improving the health of human beings?
What is the contribution of chemistry in following field?
Industry
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Safety lamp
Food items like jams and pickles are protected by using ___________.
Explain in brief the importance of Chemistry in agriculture.
Differentiate between natural fibres & synthetic fibres.
Give reasons for the following
Ordinary soap is wasted in hard water.
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.
