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What are some signs of chemical change?

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Here some signs of chemical change :

  • Color Change.
  • Production of an odor.
  • Change of Temperature.
  • Evolution of a gas (formation of bubbles)
  • Precipitate (formation of a solid)

What is a chemical change?

  • Chemical change, or, alternatively, chemical breakdown into two or more separate molecules, occurs when one material reacts with another to create a new substance.
  • These processes are referred to as chemical reactions, and they are often irreversible barring additional chemical reactions.
  • Exothermic processes are those that generate heat; endothermic reactions, on the other hand, are those that may need heat in order to proceed. The science of chemistry places a lot of emphasis on comprehending chemical changes.
  • Atoms are rearrange during chemical reactions, and as new products are produced, the reaction is accompanied by an energy change. The reaction of sodium and water to produce sodium hydroxide and hydrogen is an illustration of a chemical change.

Learn more about chemical change refer to :

https://brainly.com/question/1222323

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