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प्रश्न
What is chemistry?
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उत्तर
“The branch of science that deals with the study of the composition and the physical and chemical properties of various forms of matter is called Chemistry.”
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संबंधित प्रश्न
What is science?
State the functions of the following basic glass apparatus:
Hard glass boiling tube
State the functions of the following basic glass apparatus:
Round bottom flask
State the function of
The asbestos fixed at the center of the wire gauze.
State the function of The tap at the base of a burette.
State the method used for collecting the following gas:
Oxygen – a gas slightly soluble in water.
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 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 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.
