False.....................................
The bonds that hold atoms together to form molecules are called covalent bonds. They are pretty tough and not easily made or broken apart. It takes energy to make the bonds and energy is released when the bonds are broken. Trees take light and use it to make bonds between carbon atoms and molecules of cellulose. I hope this helps:)
the mass of pure acetic acid in 250 ml of this solution is 100 gm
When a substance undergoes a physical change no new substance is formed.