Question

20. Which of the following statements is correct? *
O Evaporation is a chemical change.
O Digestion of food is a chemical change.
O Burning of paper is a physical change.
O
All of the above.​

Answer 1

Answer:

Correct statement is -

(b) Digestion of food is a chemical change.

Answer 2

Answer:

correct answer is

O Digestion of food is a chemical change.

Explanation:

Food is broken into smaller parts and mixes continually with enzymes and other gastric juices. Mechanical digestion occurs in the mouth, stomach, and small intestine. Food is chemically changed in digestion when new, smaller substances are formed. These chemical changes are examples of chemical digestion.