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प्रश्न
Answer the following question in brief:
Why is chemistry known as an experimental science?
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उत्तर
Chemistry is known as experimental science as an experiment is performed under controlled conditions in an activity and we observe a natural or an artificially created phenomenon.
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संबंधित प्रश्न
Mention one use of the following equipment
Spirit lamp
Mention one use of the following equipment
Wire gauze
Mention one use of the following equipment
Beaker
Mention one use of the following equipment
Glass tube
From what material is the following made up of?
Test tube rack
From what material is the following made up of?
Test tube holder
List any five precautions taken care of while performing an experiment in a chemistry laboratory.
Match the words in Column A with their respective functions in Column B.
| Column A | Column B |
| (a) Iron stand | (i) To boil chemicals |
| (b) Test tube | (ii) To keep solution |
| (c) Funnel | (iii) To stir the solution |
| (d) Beaker | (iv) To support apparatus |
| (e) Glass rod | (v) To transfer the liquids |
Write true or false against the following statement and correct it if false.
A test tube is used to test liquid chemicals.
Write true or false against the following statement and correct it if false.
A round-bottom flask is used to store chemicals.
