Question

Q.7. Select the correct reason. 1. Zinc oxide is amphoteric oxide. a. It is a metal oxide b. It reacts with acids. c. It reacts with bases. d. It reacts with both acids and bases. 2. The work done on an object moving with uniform Circular motion is zero. a. = 180° b. = 90° c. = 0° d.None of these 3. Motion is relative. a. It is depend on speed of an object. b. It is depend on direction of an object. c. It is depend on observer. d. It is depend on both speed and direction.​

Answer 1

Answer:

zinc oxide is amphoteric oxide