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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.
Food preservatives
How is chemistry helpful in improving the health of human beings?
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Oxygen
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
State the contributions of Dimitri Mendeleev
Give reasons for the following
Ordinary soap is wasted in hard water.
Food processing is an important procedure for obtaining marketable food products.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
