No, brass is an alloy.
Brass is a mixture composed primarily of copper and zinc. It is not a pure element because it contains more than one type of atom, and it is not a compound because it does not have a fixed chemical composition.
Answer a. Pure Water is not a mixture - it is a compound. Seawater is a mixture of water and salts, air is a mixture of gases and brass is a mixture (an alloy) of copper and zinc metals.
brass is an alloy
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.
compound
No. Brass is a mixture.
Gold is an element, while brass is a mixture. Gold is a pure substance with the chemical symbol Au, consisting only of gold atoms. In contrast, brass is an alloy made primarily of copper and zinc, which means it contains multiple elements mixed together but does not have a fixed composition like a compound.
tap water is a pure compound.
A compound is a pure material.
A compound is a pure substance.
Pure water is a compound of hydrogen and oxygen.
brass is an alloy of copper and zinc.