A change in color
New substance is made.
A change in color
true
yes
Not true, they are not similar; a chemical change is a change in the molecule, the physical change is not.
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
chemical change
The statement is false: A chemical change of a substance is defined as a change in which the substance is not the same substance after the change as it was before.
True. A physical change is a change from one state to another without a change in chemical chemistry.
Yes
Every chemical or physical change in matter includes a change in energy.
False. Subscript cannot be change to balance chemical equations. Only coefficients can be added to balance chemical equation.