Question

28.Which one of the changes is Chemical?
a. Sublimation of Iodine
b. Swallowing of food into the food pipe
c. Action of medicine in our body
d. Breathing in Oxygen​

Answer 1

Explanation:

breathing in oxygen , action of medicine in our body , sublimation of iodine

Answer 2

Answer:

The following are chemical changes:-

1 breathing in oxygen.

2 Action of medicine in our body.

Explanation:

Please mark me as BRAINLIST and thank me and follow me...

please please please please