Advertisements
Advertisements
प्रश्न
State the functions of the following basic glass apparatus:
Hard glass boiling tube
Advertisements
उत्तर
Hard glass boiling tube: It is resistant to chemicals and used for special purposes. It is made of pyrex
संबंधित प्रश्न
Name six such products, which we use daily.
How is the knowledge of chemistry important to mankind?
Choose the correct alternative from the choices given below for the following statement:
Which one of the following is a pesticide?
State why a round bottom flask is preferred to a flat bottom flask – during the preparation of gases in the laboratory.
‘Alchemists are older words for Chemists’. Discuss the statement in brief.
Give a comparative difference between soaps and detergents. Give a reason. why detergents have an advantage over soap.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A metallic apparatus which supports the wire gauze.
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 glass apparatus that measures liquid by sucking the liquid at one end up to the marked level and later pouring it out.
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.
