Answer:
Calcium chloride react with silver nitrate to produce calcium nitrate and silver(I) chloride.
Answer:
Copper
Explanation:
copper is used in the wiring of the phone
Mixing water and sugar is a physical change. A physical change is just a change in the form of the substance, whereas a chemical change is when the substance itself changes… chemically. An easy way to figure out which is which is trying to "undo" the change. If it can be undone, it is physical.
