Which of the following is NOT a sign of a chemical change? (HINT: only 2 answers, the rest are chemical change)
1. tarnished is formed
2. gas is produced
3. weight change
4. Temperature change
5. color change
6. nothing changes
7. forms a precipitate
8. energy is released
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Answers: 3
Which of the following is NOT a sign of a chemical change? (HINT: only 2 answers, the rest are chemi...
Mathematics, 22.09.2019 17:00
Mathematics, 22.09.2019 17:00
Mathematics, 22.09.2019 17:00
Mathematics, 22.09.2019 17:00