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प्रश्न
Name the chemicals which help in increasing food production.
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उत्तर
Chemicals which help in increasing food production are fertilisers like urea, sodium nitrate, potash, ammonium phosphate, calcium nitrate, etc. Pesticides like aldrin, malathion which are used to kill pests. Insecticides like D.D.T., B.H.C. fungicides like sulphur, Bordeaux mixture, etc.
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संबंधित प्रश्न
Give two examples of the following substance.
Food preservatives
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Safety lamp
Write True or False against the following statement.
Antibiotics are used as preservatives:
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Give reasons for the following
Ordinary soap is wasted in hard water.
Give reasons for the following
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Select the correct name from the choices given below for the following case.
A synthetic fibre used in clothing.
