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?
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.
Mixture
An alloy is a type of mixture.
Steel is an alloy- which is a compound, or intermixture. So it is not an element or pure substance.
Neither, try again.
no it is not an alloy. alloy is a mixture of metals
It should be a "pure" substance, but its really an alloy.
Kevlar is 'pure' in the sense that it is not a mixture or alloy, but a lattice of poly-paraphenylene terephthalamide monomers.
No. Pewter is an alloy, consisting of a mixture of tin, copper, antimony, bismouth, and sometimes lead.
No; steel is an iron-carbon alloy. Stainless steel is an alloy of steel with chromium added. Stainless steel is usually 13-25% chromium (by weight).
No, it is a mixture; rarely a drug is a pure substance.