Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change?

There is no change in color.

There is no precipitate formed.

There is no gas given off.

There is no molecular change.

Question

Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change?




There is no change in color.




There is no precipitate formed.




There is no gas given off.




There is no molecular change.

anonymous · Answer

There is no molecular change.  Something is a physical change unless it changes the molecular makeup of what you are dealing with.

anonymous · Answer

By the way, this question is kind of confusing because a gas not being given off, and no color change, and no precipitate forming can also be a way to determine that there is no chemical change.