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प्रश्न
Fill in the blank:
L.P.G. is used for ___________
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उत्तर
L.P.G. is used for fuel
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संबंधित प्रश्न
Give two examples of the following substance.
Medicines
Give two examples of the following substance.
Building materials
How is chemistry helpful in improving the health of human beings?
Name the chemicals which help in increasing food production.
What is the contribution of chemistry in following field?
Industry
_____________ help to increase the production of food.
Choose the correct alternative from the choices given below for the following statement:
The chemicals prescribed by a doctor in the treatment of infectious diseases are called
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Differentiate between natural fibres & synthetic fibres.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
