Question #1:
False.
Melting is a type of chemical change.
Question #2:
True.
If the substance's atoms change in any way, it is a chemical change.
Question #3:
True.
If a substance is broken or torn, it's still the same substance. (Take tearing paper, for example)
Question #4:
False.
Take boiling water for example, when you boil water, it is still water, right?
Question #5:
False.
Every chemical or physical change in matter includes change in energy. Not most.
Question #6
True.
Hydrogen peroxide (H2O2), has turned into water (H2O) and oxygen (O). The substance has change chemically, therefore it is an chemical change.
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I hoped this helps! If you have any questions, feel free to ask! ^^
