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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
Gas jar
From what material is the following made up of?
Test tube rack
From what material is the following made up of?
Wire gauze
Answer the following question in brief:
Why are most apparatus made of glass?
Choose the correct alternative from the options given for the following statement.
The spirit lamp is made of
Choose the correct alternative from the options given for the following statement.
To pass gas from one vessel to another, you will use
Choose the correct alternative from the options given for the following statement.
To prevent the escape of a gas from a gas jar, you will cover its mouth with
Write true or false against the following statement and correct it if false.
A glass funnel is used to pour off liquids.
Write true or false against the following statement and correct it if false.
A mortar and pestle are used for evaporation.
Write true or false against the following statement and correct it if false.
A glass rod is used to stir solutions.
