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
Need this done today please!!
Answers: 3
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The first element on the periodic table of elements is carbon. a. true b. false
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Which of the following is NOT a sign of a chemical change? (HINT: only 2 answers, the rest are chemi...
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