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प्रश्न
___________ deals with the study of matter and the changes it undergoes.
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उत्तर
Chemistry deals with the study of matter and the changes it undergoes.
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संबंधित प्रश्न
What is science?
Who is known as the Father of chemistry? Why?
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 |
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
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 asbestos fixed at the center of the wire gauze.
State the function of The tap at the base of a burette.
Select the correct name from the choices given below for the following case.
A water-soluble cleaning agent – not inactivated by hard water.
Match the apparatus A to J shown below with their correct names 1 to 10 given below:
1. Delivery Tube
2. Pipette
3. Wire gauze
4. Bee-hive shelf
5. Thistle funnel
6. Flat bottom flask
7. Test tube stand
8. Burette
9. Retort
10. Conical flask
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.
