Answer:
<h3>A) a chemical change started immediately and finished at 8 minutes!!</h3>
Explanation:
it is stated that the substance <em>slowly </em>starts turning blue, not that it suddenly started changing!! and, this couldn't be a non-chemical change because there are very few chemicals that can turn a completely different color when the two substances were the same color!!! ^_^ please let me know if messed anything up
Ca + Cl2 = CaCl₂
A synthesis <span>reaction.</span>
I did this question before and the answer is Magnesium and silicon, B.
Answer:
C.
Explanation:
The movement of the bow is Kinetic Energy.