Question

Mention the part of the plant from which we get the above indicators.Also write the steps involved in making indicators

Answer 1

Pansy Petals.

1 Petunia Petals. The anthocyanin petunin changes from reddish-purple in an 2 acidic solution to violet in a basic solution.

3 Poison Primrose. ...

4 Poppy Petals.

5 Purple Peonies. ...

6 Red (Purple) Cabbage. ...

7 Red Radish.

8 Rhubarb.

Red onion also changes from pale red in an acidic solution to green in a basic solution.