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प्रश्न
What is the contribution of chemistry in the following field?
National Defence
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उत्तर
Contribution of chemistry in the field of national Defence:
Substances like gunpowder, T.N.T. (trinitrotoluene), phosgene, chemical weapons, laughing gas, etc., are all products of chemistry which contribute to the national defence.
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संबंधित प्रश्न
What is alchemy?
How is the knowledge of chemistry important to mankind?
Choose the correct alternative from the choices given below for the following statement:
Used is an important
State the functions of the following basic glass apparatus:
Round bottom flask
State the function of
The clamp mounted on the rod of a retort stand
State the function of The tap at the base of a burette.
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.
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
Give a comparative difference between soaps and detergents. Give a reason. why detergents have an advantage over soap.
