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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
Beaker
Mention one use of the following equipment
Measuring cylinder
From what material is the following made up of?
Test tube rack
From what material is the following made up of?
Test tube holder
From what material is the following made up of?
Mortar and pestle
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 evaporating dish is made of
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 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.
