CHEMICAL CHANGE vs PHYSICAL CHANGE January 12, 2021January 12, 2021 KritiCHEMICAL CHANGE vs PHYSICAL CHANGE 0 Comment Tags: Chemical, Chemical change, Magnesium Ribbon, physical change, Quiz, Science, ultraviolet radiations 5 Chemical and physical change 1 / 17 Permanent change in colour may take place in a ____ change. Chemical Physical 2 / 17 Ozone absorbs ultraviolet radiations coming from the sun and breaks down to form oxygen. The breaking down of ozone into oxygen is a _____ change. Physical Chemical 3 / 17 A Change in which the original substance can be got back is called __________ change Permanent Physical Chemical 4 / 17 When wax is heated it melts into a liquid and on cooling the wax solidifies. What kind of change it is? Physical Chemical 5 / 17 Boiling of water is a Physical change Chemical change 6 / 17 Melting a wax is a ___ change but burning a wax is a ____ change. Chemical, Physical Physical , Chemical 7 / 17 Water cycle in nature is a ______ change. Chemical Physical 8 / 17 Physical changes are irreversible and chemical changes are reversible. False True 9 / 17 A change in which the original substance cannot be called back is called a ___ change. Chemical Physical Temporary 10 / 17 Milk into curd is a physical change or a chemical change? Physical Chemical When milk is turned into curd it is a chemical change because we cannot get milk back from the curd. 11 / 17 Burning of a paper is a ____ change Chemical Physical When we burn a paper, we get ashes, a completely new substance. We can not get back the paper from ash. When we burn a paper, we get ashes, a completely new substance. We can not get back the paper from ash. 12 / 17 Mixing baking soda (soda Bicarbonate) and vinegar Physical change Chemical change 13 / 17 Iin chemical changes new substances are formed True False 14 / 17 Burning of a fuel or wood is a Irreversible change Reversible change 15 / 17 Rusting of iron is a ____ change. Physical Chemical In rusting a new compound iron oxide is formed due to iron's reaction with moisture and air. In rusting a new compound iron oxide is formed due to iron's reaction with moisture and air. 16 / 17 Burning of magnesium ribbon is a physical change. False True A long and thin strip of magnesium metal is called a magnesium ribbon. When a magnesium ribbon is heated it burns in air with a brilliant white light to form a powdery Ash called magnesium oxide which is totally a new substance. A long and thin strip of magnesium metal is called a magnesium ribbon. When a magnesium ribbon is heated it burns in air with a brilliant white light to form a powdery Ash called magnesium oxide which is totally a new substance. 17 / 17 Which of these is not a chemical change? Tempering steel to form a knife blade. Digestion of food Rusting of iron Burning of dry leaves Your score is The average score is 59% LinkedIn Facebook Twitter 0% Restart quiz Post navigation Previous page Previous post: Conductors and InsulatorsNext page Next post: Air Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.