Question

 MCQ’S.

4. Which of the following is a chemical change.

(A) Cooking of food (B) Digestion of food (C) Melting of iron (D) Both (A) and (B)

5. Unit of force is _____________.

(A) Pascal (B) Newton (C) Dyne (D) Both (B) and (C)​

Answer 1

Answer:

4. both a and b

5. both b and c