Answer:
B hope help you stay happy
Answer:
Henry Moseley
Explanation: Passed with 98
hope it helps ..............
D. Kinda simple, don’t think much explaining is needed.
Answer:
B. A chemical change occurred which caused the liquid's physical properties to change.
Explanation:
The reduction of the temperature of the system meant that the reaction absorbed heat energy from it. This shows that a chemical reaction was in progress. New products were formed, and this is proved by the change in the color to blue.
