Question

Take five 100 mL beakers and label
them A, B, C, D and E. Take about
50 mL of water in each beaker.
Dissolve in each beaker a
teaspoonful of each substance as
indicated in Fig. 4.6 (a).
Keep the beakers undisturbed for
some time.
Record your observations in your
note book.​

Answer 1

Answer:

abcd and e

Explanation:

observe in your notebook

Answer 2

Answer:

In beaker A and B the colour will change. In beaker C,D and E the colour will not change.