Advertisements
Advertisements
प्रश्न
Write True or False against the following statement.
Gunpowder is an insecticide:
विकल्प
True
False
Advertisements
उत्तर
False
APPEARS IN
संबंधित प्रश्न
___________ deals with the study of matter and the changes it undergoes.
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
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 method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
‘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 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 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 rectangular mesh with asbestos at its centre kept for initiating even distribution of heat to the bottom of the apparatus.
