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Question
Explain in brief the importance of Chemistry in the production of various products.
Solution
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.
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Name the scientists who discovered the following:
Oxygen
_____________ help to increase the production of food.
Fill in the blank:
Inert gases were discovered by ___________
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
Choose the correct alternative from the choices given below for the following statement:
The chemicals prescribed by a doctor in the treatment of infectious diseases are called
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
