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प्रश्न
Write True or False against the following statement.
Enzymes secreted by our body are chemicals:
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
What is alchemy?
How is the knowledge of chemistry important to mankind?
Write True or False against the following statement.
Gunpowder is an insecticide:
State the functions of the following basic glass apparatus:
Hard glass boiling tube
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 air regulator in a Bunsen burner.
Select the correct name from the choices given below for the following case.
A substance which dissolves grease & oil and is preferred as a – drain cleaner.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass apparatus closed at one end used for collecting gases.
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.
