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प्रश्न
Answer the following question in brief:
Why is chemistry known as an experimental science?
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
Conical flask
Mention one use of the following equipment
Beaker
Mention one use of the following equipment
Measuring cylinder
Mention one use of the following equipment
Glass tube
Mention one use of the following equipment
Reagent bottle
From what material is the following made up of?
Mortar and pestle
Fill in the blank:
_______ are used for grinding and crushing solid substances into a powder.
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 |
Choose the correct alternative from the options given for the following statement.
The spirit lamp is made of
