Science : Chapter 14 : Acids and Bases TEXTBOOK EXERCISES I. Choose the best answer. 1. Acids are ________ in taste. […]

Science : Chapter 13 : Water TEXTBOOK EXERCISES I. Choose the correct answer. 1. Water changes to ice at a)

Science : Chapter 12 : Atomic Structure TEXTBOOK EXERCISES 1. Choose the best answer. 1. The same proportion of carbon

Science : Chapter 11 : Air TEXTBOOK EXERCISES I. Choose the best answer. 1. Which of the following is true

Science : Chapter 10 : Changes Around Us TEXTBOOK EXERCISE  I. Choose the best answer. 1. Burning of paper is a

Science : Chapter 9 : Matter Around Us TEXTBOOK EXERCISE I. Choose the best answer. 1. The liquid metal used in

Science : Chapter 8 : Universe and Space Science TEXTBOOK EXERCISES I. Choose the best answer. 1. Which of the

Science : Chapter 7 : Magnetism TEXTBOOK EXERCISES I. Choose the best answer. 1. A magnet attracts __________. a) wooden materials

Science : Chapter 6 : Sound TEXTBOOK EXERCISES I. Choose the best answer. 1. Sound waves travel very fast in a.

Science : Chapter 5 : Electricity TEXTBOOK EXERCISES I. Choose the best answer. 1. When an ebonite rod is rubbed with