Advertisements
Advertisements
प्रश्न
Name the chemicals which help in increasing food production.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
What is the contribution of chemistry in following field?
Cosmetics
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Oxygen
Fill in the blank:
L.P.G. is used for ___________
Fill in the blank:
Inert gases were discovered by ___________
Write True or False against the following statement.
Antibiotics are used as preservatives:
State the contributions of Antoine Lavoisier
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.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
