![]() Yes, this is a classic example of a chemical change. Yes because burning wood causes a chemical reaction and the formation of new substances such as coal, ashes, heat, or light. Yes, this is a physical change because it doesn’t form any new substance through a chemical reaction. Just like that dissolving an acid or any other ionic compounds are a chemical change. Dissolving a sugar does not form any chemical changes whereas dissolving a salt is a chemical change. It depends on the substance you are dissolving. Which of the following is not a physical change?ĭigestion of food is a chemical change because for the body to absorb food macromolecules are converted to simpler molecules Is dissolving a chemical change? Boiling water is an example of physical change. No, it is not a chemical change because the molecular structure of water vapor is the same as the liquid water i.e., H 2O. Here are some of the important questions students ask or have about the physical and chemical changes: Is boiling water a chemical change? Physical changes can only affect the shape and size of objectsĬhemical changes can change both the physical and chemical properties of the substance ![]() No new substance is formed through physical changesĪ chemical change always results in the formation of a new substance or change in the chemical composition of existing onesĬhemical changes produces different types of energy ![]() PropertiesĬhemical changes are generally irreversible but can be reversed in some cases using scientific processes Now that you have understood the basic concepts pertaining to both, let us summarise the differences between physical and chemical changes in a tabular form. Electrochemical Series Difference between Physical and Chemical Changes ![]()
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