What are four things that indicate that a chemical change may have taken place?

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1209924

2026-07-21 05:01

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  1. Change in color: If the substance changes color during a reaction, it may indicate a chemical change.

  2. Formation of gas: Production of gas bubbles, fizzing, or bubbling is a sign of a chemical change.

  3. Temperature change: Significant heat or cooling effects can indicate a chemical reaction is occurring.

  4. Formation of a precipitate: When a solid substance forms in a solution, it suggests a chemical change has taken place.

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