what are the indicators of a chemical change

Best answer

Chemical changes occur when a substance changes its chemical composition. Physical changes do not change a substance鈥檚 chemical composition. Chemical changes have 5 major indicators:odor production, temperature change, gas production, precipitation, and color change.

People also ask

  • What are the five indicators of a chemical change?

  • What Are Five Indicators of a Chemical Change? What Are Five Indicators of a Chemical Change? Five indicators of a chemical change are color change, temperature change, precipitate formation, gas bubble formation and smell or taste change.

  • How are chemical changes distinguishable from physical changes?

  • Chemical changes are distinguishable from physical changes by five major indicators. If at least one of these indicators is present during a change in matter, a chemical change is probably occurring. The five major indicators of chemical changes are:

  • What are indicators in chemistry?

  • Indicators are weak acids or weak bases that show a change in colour as the concentration of Hydrogen ions in a solution changes or the pH of a solution changes. The indicators dissociate slightly in the water to form ions. Some examples of indicators are Litmus, turmeric, phenolphthalein, etc.

  • Is a change in color a chemical change?

  • A change in color is a sign that a chemical change might be taking place. An example of a reaction which causes a color change is the rusting of iron. In this reaction, iron reacts with oxygen in the presences of water.

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