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प्रश्न
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
उत्तर
They extend the shelf life of a cosmetic and may prevent growth of microorganisms.
संबंधित प्रश्न
Give two examples of the following substance.
Chemical war weapons
Name the chemicals which help in increasing food production.
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Safety lamp
Food items like jams and pickles are protected by using ___________.
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:
The chemicals prescribed by a doctor in the treatment of infectious diseases are called
Preservatives are added to food or beverages.
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
Food processing is an important procedure for obtaining marketable food products.
