2. Write answers to the following
questions.
(a) How does the use of a detergent
help to clean soiled clothes? 161
(b) How will you check with the help
of soap powder whether water is
hard ?
(c) What are the important ingredients
of a toothpaste, and what is the
function of each ? OD
(d) What are the ingredients of cement? | 0
(e) What will happen if cement is not
used in making concrete?
(1) Make a list of detergents that you
use.
(g) What should be expected from a
detergent for delicate garments ?
(h) What is meant by “surface activity' ?
Name three chemicals responsible
for the surface activity of various
detergents.
103
Answers
Answered by
4
Answer:
A delicate detergent should clean the clothes effectively without affecting the quality of the clothes. It should have the ability to remove all kinds of stains without causing any harm to the clothes
Explanation:
Similar questions