Does sugar lose mass?
Can sugar melt?
Can sugar turn into water molecules?

1. Yes

2.  Yes

3. and for this one I would need to do some reasearch sorry

Explanation:

1. Sugar can lose mass but that depends on what you do to it

2. Sugar can melt It will melt into a clear liquid at 320 Fahrenheit

3. I don't know But I don't think it can FULLy turn into water molecules although it can mix with water molecules