Question

Physical change or chemical change?

___ chemical bonds are broken and formed

___ there is no energy change unless energy is added to the system (for example, the system is heated)

___ physical properties change

___ changes are easily reversed

Answer 1

___ chemical bonds are broken and formed - (chemical)

___ there is no energy change unless energy is added to the system (for example, the system is heated) - (physical)

___ physical properties change - does this mean color/texture/state? it could be both, most likely chemical though

___ changes are easily reversed - (physical)

Answer 2

_physical properties change- (physical) it states it in the question

Answer 3

Color is a physical property that can change in a chemical reaction when a new solid forms.

Answer 4

well it says 'physical properties change' so it's physical... im pretty sure

Answer 5

i just talked about this with my science teacher before i got out of science class