Question

Classify the following into physical and chemical changes
a) The cooking of food
b) The curdling of milk
c) The glowing of bulb
d) The freezing of water​

Answer 1

Answer:

Explanation:

the cooking of food and the curdling of milk is a chemical change because they are not reversable and forms a new substance

whereas

the glowing of bulb and freezing of water is a physicalchange where it can get back to its original form and does not form a new substance