WebBurning of a candle: Physical change - The melting wax when a candle burn is a physical change that occurs in the process. The wax again solidifies on cooling. It is a reversible process. Chemical change - The wax near the wick of the candle vapourises and undergoes a chemical change. It produces Carbon soot, Carbon dioxide, water … WebJan 20, 2024 · As the candle burn the wax starts melting which is a physical change,also the flame of the candle converts the wax into vapour and carbon dioxide due to burning which is an example of chemical change hence burning of candle is both physical and chemical change.
Is burning a candle a physical or a chemical change? - Answers
WebMay 20, 2024 · Changes are classified as either physical or chemical changes. Chemists learn a lot about the nature of matter by studying the changes that matter can undergo. ... One good example of a chemical change is burning a candle. The act of burning paper actually results in the formation of new chemicals (carbon dioxide and water) from the … WebActing upon matter can cause it to change, but it is useful to separate these changes into two different categories: physical and chemical. A chemical change describes a process that changes one material into another. Burning wood causes it to turn into ash, a different material. A physical change is simply changing the shape or state, such as cutting a … ravi rathore
Q5 When a candle burns both physical and chemical changes …
WebDec 6, 2024 · When a candle burns, both physical & chemical changes occur. Physical Changes in Burning Candle: On heating, candle wax melts and form liquid wax. It is a … WebSep 28, 2011 · The physical changes in the candle is that the wax melts, then freezes back into solid state again, and the chemical changes are that the wick burns, soot, and smoke. water vapor and carbon dioxide are formed. and When the wax burns, and the wax combines with the oxygen to form CO2, carbon monoxide, carbon particles (incomplete … WebFor example, if wood is burned in a fireplace, there is not wood anymore but ash. Other examples include burning of a candle, rusting of iron, baking a cake, etc. Special details that describe how a chemical change takes place are called chemical properties. Compare: physical change. The opposite of a chemical change is a physical change ... ravi ramaswamy chief financial officer