Answer:
Explanation: in exothermic reaction heat is released out
In endothermic reaction heat is absorbed
Explanation:
I think 1) acidic solution
2) basic solution.
A pH scale runs from 1 to 14 with 7 being neutral.
1-6 has base like properties
8-14 has avid line properties
since this solution has a pH scale of 4.... the solution is basic
Answer: its the first one buster
Answer:
A telescope, printing press, and microscope
Explanation:
