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प्रश्न
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.
पर्याय
Spirit lamp
Bunsen burner
Electric stove
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उत्तर
Bunsen burner
संबंधित प्रश्न
Write True or False against the following statement.
Gunpowder is an insecticide:
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 tap at the base of a burette.
Give a comparative difference between soaps and detergents. Give a reason. why detergents have an advantage over soap.
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 water-soluble cleaning agent – not inactivated by hard water.
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 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.
Give reasons for the following
Alchemy was considered a pseudoscience.
