Answer:
Sugar dissolution in water is a physical change and not a chemical change because, when sugar is mixed in water, the water molecules break down the sugar molecules so, as a result sugar changes it's shape and gets dissolved in the water attaching the chain bonding between them.
Explanation:
Answer:
2Fe + 3Cl=2FeCl3 therefore the coefficent for Fe is 2.
Explanation:
I'm not sure how to write this but the size shrinking could be due to erosion
