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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
पर्याय
plastic material Urea is an
a building material
an insecticide
as medicine
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उत्तर
a building material
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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?
Cosmetics
Name the scientists who discovered the following:
Safety lamp
Fill in the blank:
Inert gases were discovered by ___________
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
Explain in brief the importance of Chemistry in agriculture.
Differentiate between the terms food preservatives and food processing with appropriate examples.
Preservatives are added to food or beverages.
