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प्रश्न
How is the knowledge of chemistry important to mankind?
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उत्तर
Importance of chemistry to mankind: chemistry plays an important role to provide us with things of daily use like toothpaste, soap, detergents, paints, clothes, medicines, fertilisers, pesticides, plastics, in preparing fuels, consumer products like glass, paper, pencils, pens, in substances used in defence like gunpowder, T.N.T. etc
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संबंधित प्रश्न
What is science?
What is the contribution of chemistry in the following field?
National Defence
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
State the functions of the following basic glass apparatus:
Round bottom flask
State the function of
The clamp mounted on the rod of a retort stand
State the method used for collecting the following gas:
Oxygen – a gas slightly soluble in water.
Select the correct name from the choices given below for the following case.
The branch of Science which deals with the different forms of energy e.g. light and sound.
Select the correct name from the choices given below for the following case.
A synthetic fiber used in clothing.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For holding washed test tubes
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A modern apparatus with an air regulator, used for heating purposes.
