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प्रश्न
State the functions of the following basic glass apparatus:
Hard glass boiling tube
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उत्तर
Hard glass boiling tube: It is resistant to chemicals and used for special purposes. It is made of pyrex
संबंधित प्रश्न
What is ‘Philosopher’s stone’?
What is the main difference between alchemy and chemistry?
What is the contribution of chemistry in the following field?
National Defence
State the functions of the following basic glass apparatus:
Retort
State the function of
The air regulator in a Bunsen burner.
State the function of The tap at the base of a burette.
Select the correct name from the choices given below for the following case.
A synthetic fiber used in clothing.
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 rectangular mesh with asbestos at its centre kept for initiating even distribution of heat to the bottom of the apparatus.
A philosopher’s stone is not exactly a stone.
