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प्रश्न
Explain in brief the importance of Chemistry in the production of various products.
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.
Fuel
What is the contribution of chemistry in following field?
Clothing
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Elements
State the contributions of Dimitri Mendeleev
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Preservatives are added to food or beverages.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
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.
