Class 8 Science Chapter 12 | Chemical Effects of Electric Current NCERT Solutions 1. Fill in the blanks. (a) Most liquids that conduct electricity are solutions of , _______ and ________. (b) The passage of an electric current through a solution causes __________ effects. (c) If you pass current through copper sulphate solution, copper gets deposited on the plate connected … [Read more...] about Chapter 14 Chemical Effects of Electric Current
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Chapter 13 Sound
Class 8 Science Chapter 13 | Friction NCERT Solutions 1. Choose the correct answer. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids and gases. Answer: (d) solids, liquids and gases 2. Voice of which of the following is likely to have minimum frequency? (a) Baby girl (b) Baby boy (c) A man (d) A woman Answer: (c) A … [Read more...] about Chapter 13 Sound
Chapter 12 Friction
Class 8 Science Chapter 12 | Friction NCERT Solutions 1. Fill in the blanks. (a) Friction opposes the _____________ between the surfaces in contact with each other. (b) Friction depends on the _____________ of surfaces. (c) Friction produces __________. (d) Sprinkling of powder on the carrom board ________ friction. (e) Sliding friction is ___________ than the static … [Read more...] about Chapter 12 Friction
Chapter 11 Force and Pressure
Class 8 Science Chapter 9 | Force and Pressure NCERT Solutions 1. Give two examples each of situations in which you push or pull to change the state of motion of objects. Answer: 1) If we kick a stationary football kept on the ground, then the football starts moving. The force of our foot makes the stationary football to move. 2) Take a rubber ball and place it on … [Read more...] about Chapter 11 Force and Pressure
Chapter 9 Reproduction in Animals
Class 8 Science Chapter 9 | Reproduction in Animals NCERT Solutions 1. Explain the importance of reproduction in organisms. The production of new organism from the existing organism of the same species is known as reproduction. Reproduction is the creation of new living things. It is essential for the survival of species on this earth. So, living organism produce more … [Read more...] about Chapter 9 Reproduction in Animals