Question

PLEASE HELP!!!

Students combine several chemicals and record the observations in their science notebooks. A list of the observed results is given here. • Production of a gas (bubbles) • Phase change (solid to liquid) • A precipitate forms • Change in shape • Crystals dissolving • Heat produced How many of the observations are evidence that a new substance was formed? *
1 point
3
4
5
6

Answer 1

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Answer 2

3

Step-by-step explanation:

I have indeed already took the quizzes my friend