Neither of both because it is NOT a mixture at all; it's a (pure) compound (one kind of molecules)
definitely no... it is a compound
Chalk consists of calcium carbonate. It would be a heterogeneous mixture if colours were added to it.
Calcium is an element. It is neither.
heterogeneous mixture
it is homogeneous because you mix it and you blend it
Homogeneous
Chalk consists of calcium carbonate. It would be a heterogeneous mixture if colours were added to it.
Calcium is an element. It is neither.
hetergeneous
heterogeneous mixture
Heterogenous
It's an element. Check your periodic table.
Salad dressing is a heterogeneous mixture.
it is homogeneous because you mix it and you blend it
heterogeneous
Heterogeneous
Heterogeneous mixture.
Homogeneous