Brass is a mixture
No, a brass screw is not a pure substance. Brass is an alloy made up of copper and zinc, so it is considered a mixture rather than a pure substance.
Brass is a mixture or a solution; these two terms are not mutually exclusive.
pure substance?
No. Brass is a mixture.
No, it is a mixture; rarely a drug is a pure substance.
No, a brass screw is not a pure substance. Brass is an alloy made up of copper and zinc, so it is considered a mixture rather than a pure substance.
Brass is a mixture or a solution; these two terms are not mutually exclusive.
pure substance?
Copper is an element itself Symbol Cu Not a mixture like brass or bronze etc.
No. Brass is a mixture.
No, it is a mixture; rarely a drug is a pure substance.
Nope, it's an element. Zinc (Zn) is element #30 on the periodic table.
No a mixture is by definition not a pure substance.
pure substance
It is a mixture of substances
D. Brass does not represent a pure substance because it is an alloy made of a combination of copper and zinc, making it a mixture of different elements. The other options (copper, chlorine, water) represent pure substances.
pure substance, propanone