Question

1. Give two exalmples for each of the following
substances
(a) food
food preservatives (b) fuel
(c) fungicides
(d) medicines
(e) building materials
chemical war weapons
(h) What is the main difference between
alchemy and chemistry?
(i) Name the chemicals which help in
increasing food production
0 Name six such products, which we use
daily.
3. What is the contribution of chemistry in the
following fields?
(a) Industry (b) Clothings
(c) Cosmetics (d) National Defence
(e) Medicines
2. Give short answers:
(a) What is science ?
(b) What is chemistry ?
(c) What is a fuel ?
(d) How is chemistry helpful in improving the
health of human beings?
(e) What is alchemy?
What kind of experiments did Alchemists
do ?
(8) What is Philosopher's stone'?
4. Who is known as Father of chemistry? Why?
5. Name the scientists who discovered the following.
(a) Atoms
(b) Oxygen
(c) Safety lamp
(d) Elements​

Answer 1

Answer:

science it means the study of plants and animals

chemistry means the study of chemical