The ability for it to burn (combust).
no
it is not flammable
Oxygen is not flammable
Yes!
It is non-flammable.
No, that is a chemical property.
Flammibility
Calcium is best described as combustible rather than flammable. It will burn, but you have to work at it.
A solute can dissolve in another substance. The substance that does the dissolving is called the solvent.
the substance is substance
Substance
If a substance has a PH of 11 then the substance is basic.