Physics, 30.09.2019 11:30 gl0man

Pure sodium metal placed in water will spark and ignite, as well as form bubbles and gas. what are the signs that this is a chemical reaction? check all that apply.

heat is produced.

light is produced.

heat is absorbed.

bubbles appear.

a precipitate forms.

the color changes.

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Pure sodium metal placed in water will spark and ignite, as well as form bubbles and gas. what are t...