Mixture. An alloy is a mixture of metals.
pure substance, propanone
Air is a mixture.
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.
Homogeneous mixture
Mixture, because it is mixed with all sorts of chemicals, such as smog, and or pollen.Mixture is NOT a pure substance, because to be a pure substance, it can't be mixed with anything.
pure substance?
It should be a "pure" substance, but its really an alloy.
Mixture
Steel is an alloy- which is a compound, or intermixture. So it is not an element or pure substance.
It should be a "pure" substance, but its really an alloy.
No. Brass is an alloy of copper and zinc.
Kevlar is 'pure' in the sense that it is not a mixture or alloy, but a lattice of poly-paraphenylene terephthalamide monomers.
An alloy is a type of mixture.
Neither, try again.
no it is not an alloy. alloy is a mixture of metals
steel is a homogeneous mixture because it is an alloy.
Pure substance.