WebAug 12, 2024 · 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 burning of the wax. Another example of a chemical change is what occurs when natural gas is burned in your furnace. WebWhen a candle burns, both physical and chemical changes occur. Physical Changes: On heating, candle wax gets melted. Since it again turns into solid wax on cooling. So, the …
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WebSep 1, 2024 · When candle burns, wax in candle converts from solid into liquid. This is a physical change (as it is a change in state of matter and can be reversed) However, wax near the flame burns and convert into carbon dioxide. This carbon can’t be again converted into wax , so this is a chemical change. Is a candle melting a chemical change? … WebSep 20, 2024 · September 20, 2024 by Alexander Johnson. Q. Assertion :The burning of a candle is both a physical and a chemical change. Reason: Burning of candle melts the wax and hence physical state of wax has changed from solid to liquid. Again the wax combines with the atmosphere oxygen and changes to carbon dioxide, heat and light. tsp catchup 2022 contribution limits
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WebSep 4, 2024 · Is a candle melting a chemical change? Solution: Melting of wax is temporary and wax can settle again on cooling and turns into a solid. Hence, the change is only physical and the state of matter changes. What is candle in science? When you light a candle, the heat of the flame melts the wax surrounding the wick. WebFeb 15, 2024 · Candle wax, or paraffin, is made up of a chain of carbon atoms surrounded by hydrogen atoms. Combined, it creates hydrocarbon molecules which can burn … WebWhen a candle burns, there is both a physical and chemical reaction. The physical change is quite obvious and in fact, it can be seen. When the candle burns, the wax slowly melts and the... tsp caps 2022