http://complianceportal.american.edu/melting-candle-wax-physical-or-chemical-change.php Witryna28 gru 2024 · The melting of wax while burning a candle is considered a physical change, in contrast to the burning of a candle, which is a change in physical state. …
Is melting of wax a physical or a chemical change? - BYJU
Witryna14 wrz 2016 · Freezing water is a physical change. Melting wax is a physical change. ... the physical change is -the shape of the candle changes,some of the wax becomes liquid to solid. chemical change-the wick ... Witryna17 wrz 2024 · 3. The burning of a candle is only a chemical change. When a candle burns both physical and chemical changes take place True or false? Answer : (1) When a candle burns, both physical and chemical changes take place. Physical change is the melting of the wax. Chemical change is the burning of gas with the evolution of … simple theory gear camp stove
Is carving wax a chemical or physical change? - Answers
Witryna20 maj 2024 · Solution. Physical: boiling and melting are physical changes. When water boils, no bonds are broken or formed. The change could be written: H 2O(l) → H 2O(g) Chemical: The dark grey nail changes color to form an orange flaky substance (the rust); this must be a chemical change. Color changes indicate chemical change. WitrynaAnswer (1 of 4): Good question. The actual burning of the wick is a chemical change, because the substances react with oxygen and other elements in the atmosphere to burn, and produce new substances such as carbon dioxide, etc. But, when wax melts, it is a physical change, because it is just sw... WitrynaMelting of wax, by itself, involves a change of state from solid to liquid. When the physical state of a substance changes, no new products are formed. Hence, it is a … simple themes for powerpoint