Black pepper is a mixture, might have had different growth fertilizers. Distilled water is pure, and is a pure substance.
No, black pepper is not a pure substance. Instead, black pepper is what we call a mixture substance. However, salt is a pure substance.
a magnet will pull the iron out of the black pepper
No it is not homogenous
it is heterogeneous because the pepper does not dissolve in the water
It's a homogenous.
It is a homogenous mixture
The mixture is heterogeneous.
If you mean salt & pepper in the same container, I would say heterogeneous mixture, but salt by itself would be a compount (NaCl?), while pepper would likely be a homogeneous mixture (milled black pepper).
homogenous mixture
depends if its homogenous or not
No, an element is not a mixture.