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प्रश्न
Give two examples of the following substance.
Building materials
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उत्तर
Two examples of Building materials:
1. Cement
2. Steel
3. Glass
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संबंधित प्रश्न
Give two examples of the following substance.
Food preservatives
Give two examples of the following substance.
Fuel
Give two examples of the following substance.
Chemical war weapons
What is the contribution of chemistry in following field?
Cosmetics
Food items like jams and pickles are protected by using ___________.
Fill in the blank:
Inert gases were discovered by ___________
Explain in brief the importance of Chemistry in the production of various products.
State the contributions of Dimitri Mendeleev
Give reasons for the following
Ordinary soap is wasted in hard water.
Food processing is an important procedure for obtaining marketable food products.
