Advertisements
Advertisements
प्रश्न
State why a round bottom flask is preferred to a flat bottom flask – during the preparation of gases in the laboratory.
उत्तर
Round bottom flask is preferred to flat bottom flask because in the round bottom flask heat is uniformly distributed throughout on heating.
संबंधित प्रश्न
What is the contribution of chemistry in the following field?
National Defence
State the functions of the following basic glass apparatus:
Hard glass boiling tube
State the functions of the following basic glass apparatus:
Beaker
State the function of
The clamp mounted on the rod of a retort stand
‘Alchemists are older words for Chemists’. Discuss the statement in brief.
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 Medicine to treat pain, fever & inflammation.
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of 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.
