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15 May, 03:33

Which scenario describes a physical change?

The bright blue color of a concentrated copper (II) sulfate solution fades as it is diluted by the

addition of water.

When a solid copper penny and a solution of nitric acid are mixed, a reddish-orange gas is

produced.

When hydrochloric acid is poured over white pellets of sodium hydroxide, the pellets dissolve,

and the solution is warm to the touch.

When two clear solutions of lead (1) acetate and potassium iodide are mixed in a test tube, a

bright yellow precipitate forms. a

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Answers (1)
  1. 15 May, 05:39
    0
    Addition of water

    Explanation:

    Chemical Change = change to form new substance

    Physical Change = Adding something but same substance
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