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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
APPEARS IN
संबंधित प्रश्न
Give two examples of the following substance.
Fuel
Give two examples of the following substance.
Building materials
Name the chemicals which help in increasing food production.
What is the contribution of chemistry in following field?
Cosmetics
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Safety lamp
Write True or False against the following statement.
Antibiotics are used as preservatives:
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Food processing is an important procedure for obtaining marketable food products.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
