Answer:
Physical Reaction
4.
8.
9.
11.
15.
17.
19.
20
Chemical Reaction
2. Hydrochloric acid reacts with potassium....
3. Water is heated and changes..
5. potassium chlorate...
6.
7.
10.
12.
13.
14.
16.
18.
The numbers are the question number
the number are under their specified places if it is chemical then it should be under chemical change and if it is physical it should be under physical change
Question Number 1. is not written as i don't know the answer.