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प्रश्न
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
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उत्तर
It is a natural pigment powder which provides a base for mineral makeup. It provides mild sun protection and as a pigment gives a white colouration to coloured ingredients.
संबंधित प्रश्न
Give two examples of the following substance.
Chemical war weapons
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Clothing
_____________ help to increase the production of food.
Write True or False against the following statement.
Antibiotics are used as preservatives:
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
Explain in brief the importance of Chemistry in agriculture.
Differentiate between the terms food preservatives and food processing with appropriate examples.
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.
Give reasons for the following
Ordinary soap is wasted in hard water.
