2 A change in which only physical appearance changes is called: A Chemical change B Nuclear change C Physical change D Biological change
3 The process of changing liquid into gas is known as: A Freezing B Condensation C Evaporation D Melting
6 Which change involves formation of a new substance? A Melting of ice B Boiling of water C Rusting of iron D Freezing of water
8 Which example shows both physical and chemical change? A Melting ice B Breaking glass C Burning candle D Boiling water
16 Which of the following is an example of physical change? A Burning of wood B Rusting of iron C Dissolving sugar in water D Cooking rice
17 The process of changing liquid into solid is called: A Melting B Freezing C Evaporation D Condensation
20 A physical change is one in which: A New substance is formed B Mass is destroyed C No new substance is formed D Energy is released only