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प्रश्न
Write True or False against the following statement.
D.D.T. is an important fertiliser:
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Clothing
Name the scientists who discovered the following:
Safety lamp
_____________ help to increase the production of food.
Write True or False against the following statement.
Antibiotics are used as preservatives:
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
Differentiate between the terms food preservatives and food processing with appropriate examples.
Differentiate between natural fibres & synthetic fibres.
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.
