it's a pure substance, because it's an element.
Zinc is available in pure metal and alloy form.
Because zinc chloride is a single compound, not a mixture.
Zinc and chlorine as chemical elements, zinc oxide as a compound are pure substances.
Zinc is a pure metal which can be ALLOYED with other metals to form new zinc alloys. An example of zinc alloy is brass, soldering rod (used in soldering metals together).
no
True
Nope, it's an element. Zinc (Zn) is element #30 on the periodic table.
A pure substance is the same throughout. When a substance is 100% something it is pure.
silicon is a pure substance because it is an element and as we know an element is a pure substance
Air is not a pure substance.
True
Brass is a mixture
Nope, it's an element. Zinc (Zn) is element #30 on the periodic table.
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.
The substance created when zinc is heated with sulphur is zinc sulfide.
Yes, a toonie is in fact a compound. It is a compound because it is made with compound elements like zinc and copper.
pure substance, propanone
it is a pure substance.... not
Pure substance
A pure substance is the same throughout. When a substance is 100% something it is pure.
Methane is a pure substance.