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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.
Fuel
Give two examples of the following substance.
Medicines
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Safety lamp
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
Differentiate between the terms food preservatives and food processing with appropriate examples.
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Differentiate between natural fibres & synthetic fibres.
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
