We have understood from our reading of the scope of chemistry that, chemistry is always involved in providing basic human needs like- food, clothing, housing, medication and material of education. It is worth mentioning here that, the belief held by people of different sectors of the society that chemical substance means something hazardous, it is not correct. Whatever we are eating, such as, rice, pulses, oil, sugar, salt and what we are using like soap, shampoo, detergent powder, medicine etc. are all chemical substances. Aren’t they?

The fertilizers and insecticides used in agriculture are all chemical substance. Insects are prevented from destroying the crops by using nsecticides.  We are using coil or aerosol to prevent mosquitoes. Soaps, shampoo, detergents are used in cleaning.  We take medicines, antibiotics and vitamins to maintain our health. Various types of natural substances like turmeric, henna and artificial cosmetics and colors are used in beautification.

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