Question

3. Observe the ovals in the box given below and answer the questions.
a. Cross out the substances which make water non-potable.
(4 marks
mud
algae
germs
salt
minerals
b. Classify the impurities given above into the two categories mentioned in the table
below:
Visible impurities
Invisible impurities​

Answer 1

Answer:

3. Observe the ovals in the box given below and answer the questions.

a. Cross out the substances which make water non-potable.

(4 marks

mud

algae

germs

salt

minerals

b. Classify the impurities given above into the two categories mentioned in the table

below:

Visible impurities

Invisible impurities