Question

a. Deflating of a cycle tyre tube
b. Green mangoes changing to yellow mango g. Formation of clouds

c. Melting of wax
h. Turning a key to open a lock
d. Baking of cookies
i. Boiling potatoes
e. Burning of an incense stick
j. Digestion of food
2. Classify the following changes as physical or chemical.
f. Glowing of iron when placed in a fire​

Answer 1

Answer:

a.physical

b.chemical

c.physical

d.chemical

e.chemical

f.may be physical