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Ethan makes the table below to record his observations when mixing baking soda and vinegar in a beaker. Ethan claims that a chemical change has occurred. Which statement provides the BEST evidence to support his claim?

Ethan makes the table below to record his observations when mixing baking soda and vinegar in a beaker. Ethan claims that a chemical change has occurred. Which class=
Ethan makes the table below to record his observations when mixing baking soda and vinegar in a beaker. Ethan claims that a chemical change has occurred. Which class=

Answer :

Answer: a

Explanation:

Many bubbles formed after mixing.

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The statement which best provides support for the fact that a chemical change has occurred is that many bubbles formed after mixing.

In a chemical change, new substances are formed and there is a recombination of the atoms in reactants as the products are being formed.

There are several cues that indicate that a chemical change has taken place such as;

  • Appearance of a solid in an aqueous phase reaction.
  • Evolution of gas
  • Sudden change in the temperature of the system
  • Change in the color of the system

In the particular instance in this question, when baking soda and vinegar were mixed together, a gas was evolved signifying that a chemical change has taken place.

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