Question

Digestion is a _________(desirable/undesirable) chemical change.

Answer 1

• Changes that are useful to mankind and the environment are said to be desirable changes. For example, curdling of milk, and cooking of food.
• Digestion is the important process by which we digest our food.
• Digestion produces nutrition and energy, which is essential for the growth and development of our body.
• So, digestion is considered a desirable change.

Hence, digestion is a desirable chemical change.