Nope, it's an element. Zinc (Zn) is element #30 on the periodic table.
Yes brass is a homogeneous mixture of copper and zinc. When metals form a homogeneous mixture, they are called alloys. So brass is an alloy of copper and zinc.
No. It's an element.
Heterogenous
Zinc is a pure substance.
homogeneous
True
it's a pure substance, because it's an element.
Pure substance.
Soda water is a mixture not a pure substance
It is a mixture of compounds.
Brass is a mixture
True
No. Brass is an alloy of copper and zinc.
Iron is a pure substance. It's an element (Fe) and a bar of Iron is no mixture. If it was pure iron, then by definition it would be pure. However iron is rarely pure, it is usually in alloy with something.
it's a pure substance, because it's an element.
pure substance?
Pure substance.
No, it is a mixture; rarely a drug is a pure substance.
No a mixture is by definition not a pure substance.
pure substance
It is a mixture of substances
rice pudding a pure substance or a mixture and is it a homogenous or heterogenous