Advertisements
Advertisements
प्रश्न
Explain in brief the importance of Chemistry in the production of various products.
Advertisements
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.
Fungicides
Give two examples of the following substance.
Chemical war weapons
Name the chemicals which help in increasing food production.
What is the contribution of chemistry in following field?
Clothing
Name the scientists who discovered the following:
Atoms
Write True or False against the following statement.
Antibiotics are used as preservatives:
Explain in brief the importance of Chemistry in agriculture.
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
