Advertisements
Advertisements
Question
How is the knowledge of chemistry important to mankind?
Solution
Importance of chemistry to mankind: chemistry plays an important role to provide us with things of daily use like toothpaste, soap, detergents, paints, clothes, medicines, fertilisers, pesticides, plastics, in preparing fuels, consumer products like glass, paper, pencils, pens, in substances used in defence like gunpowder, T.N.T. etc
APPEARS IN
RELATED QUESTIONS
___________ deals with the study of matter and the changes it undergoes.
Write True or False against the following statement.
Gunpowder is an insecticide:
Write True or False against the following statement.
Enzymes secreted by our body are chemicals:
Choose the correct alternative from the choices given below for the following statement:
Used is an important
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.
Select the correct name from the choices given below for the following case.
The scientist who formulated the Periodic Table.
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 long glass apparatus closed at one end used for collecting gases.
A philosopher’s stone is not exactly a stone.
