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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.
Food preservatives
Give two examples of the following substance.
Medicines
Give two examples of the following substance.
Building materials
What is the contribution of chemistry in following field?
Industry
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Elements
Explain in brief the importance of Chemistry in the production of various products.
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.
