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प्रश्न
Explain in brief the importance of Chemistry in the production of various products.
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उत्तर
Knowledge of Chemistry has initiated the production of different products
- Food: Refined oils, butter, cheese, etc. are obtained through chemical reactions.
- Construction: Mortar, cement, glass, etc. are various chemical compounds.
- Clothing: Natural fabrics such as silk are made through chemical reactions.
- Household: Cooking gas which is liquefied petroleum gas or LPG, food preservatives, specific utensils, and electronic items, all involve the use of Chemistry.
- Daily usage: Paints, dyes, perfumes, paper, ink, etc. involve chemical reactions.
- Industrial: Metals & alloys (a mixture of metals) which find application in innumerable machines and metallic structures like automobiles involve Chemistry.
- Petroleum – Petrol, kerosene & diesel oil are products - obtained from petroleum.
संबंधित प्रश्न
Give two examples of the following substance.
Chemical war weapons
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 ___________
State the contributions of Dimitri Mendeleev
Differentiate between the terms food preservatives and food processing with appropriate examples.
Give reasons for the following
Ordinary soap is wasted in hard water.
Food processing is an important procedure for obtaining marketable food products.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
Select the correct name from the choices given below for the following case.
A synthetic fibre used in clothing.
