Question

Sarita while helping her mother in kitchen noticed that the slices of

potato and brinjal have acquired a brown colour. She asked her

mother reason behind this change. Her mother said whenever we keep

cut pieces of these vegetables in open for long time they acquire such

colour.
(i) Identify a physical change and a chemical change in the

above paragraph.

(ii) Why vegetable acquire brown colour?

(iii) Write two other example of chemical change.

(iv) What value of Sarita is shown here?​

Answer 1

Answer:

1. cutting vegetables = physical change

colour turning to brown in the slices =chemical change

2. Vegetables acquire brown colour because they reacted with the air.

3.two other examples of chemical change are:-

i. rotting of fruits

ii. rusting of iron

4. curious and dumb