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प्रश्न
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
What is the contribution of chemistry in the following field?
National Defence
___________ deals with the study of matter and the changes it undergoes.
Match the following words in column A with those in column B:
| Column A | Column B | ||
| (a) | Clothing | (i) | toothpaste, cosmetics |
| (b) | Green Revolution | (ii) | nylon, wool |
| (c) | Building Material | (iii) | agriculture |
| (d) | Commodities of daily | (iv) | mortar, cement |
Give the basic difference between Inorganic Chemistry and Organic Chemistry.
State the functions of the following basic glass apparatus:
Round bottom flask
State why a round bottom flask is preferred to a flat bottom flask – during the preparation of gases in the laboratory.
State the function of
The air regulator in a Bunsen burner.
Select the correct name from the choices given below for the following case.
A Medicine to treat pain, fever & inflammation.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
