Name a few substances which can be made from nylon.
Answer: Fishing nets, ropes, clothes etc are made from nylon.
Name five objects which can be made from wood.
Question 3
(a) What are insoluble substances?
(b) Name a few solid substances that are insoluble in water.
(c) Name a few liquid substances that are insoluble in water.
Name two substances which can be charged by friction.
Question 1