WebAug 3, 2024 · Any change in these physical properties is referred to as a physical change. Chemical changes, on the other hand, are quite different. A chemical change occurs when the substance's composition is changed. When bonds are broken and new ones are formed a chemical change occurs. The following are indicators of chemical changes: Change …
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WebOct 13, 2024 · When it comes to hair, there are two main types of changes that can occur: physical and chemical. Physical changes involve simply altering the appearance of the hair, such as by cutting or styling it. Chemical changes, on the other hand, actually change the structure of the hair itself. Dying hair is a classic example of a chemical … WebChanging the size and shapes of pieces of wood would be a chemical change. 2. F. In a physical change, the makeup of matter is changed. 3. T. Evaporation occurs when liquid water changes into a gas. 4. T. Evaporation is a physical change. 5. F. Burning wood is a physical change. 6. F. Combining hydrogen and oxygen to make water is a physical ... pearl river elementary school pictures
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WebOct 2, 2010 · Best Answer. Copy. Yes, slicing bread is considered a physical change because the bread is still bread after it is sliced. A chemical change for bread is the ingredients mix together to make bread ... WebJan 30, 2024 · In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, … WebAug 13, 2024 · The reaction between zinc and sulfur can be depicted in something called a chemical equation. In words, we could write the reaction as: (10.4.1) zinc + sulfur → zinc sulfide. A more convenient way to express a chemical reaction is to use the symbols and formulas of the substances involved: (10.4.2) Zn + S → ZnS. pearl river flood warning