Yes Baking Powder Is A Pure Substance.
Wheat flour is a mixture of many compounds.
If there is no salt or substance that makes it impure it is a pure mixture
mixture
yes water is mixture of many impure substances and bacteria.even pure water has some bacterias.
it is a mixture
impure because they are made of more than 1 substance
Generally an impure material is cheaper than a pure material; the word advantage is not so adequate here - can use pure or impure, this depends on the specific applications.
If a substance in a mixture is preponderant--, if the amount far exceeds the amounts of the other substances in the mixture it is usually called an impure substance. Resource: Separation of the Components of a Mixture Lab -Chemistry
This depends on the specific application of a material.
Any chemical may be pure or impure.
No, a suspension is not a pure substance. It is a mixture of particles dispersed in a liquid, where the particles are not fully dissolved and can be seen with the naked eye.
No, not all impure substances look like mixtures. Impure substances can be in the form of solutions, alloys, or compounds in which the impurities are evenly distributed and not visually distinguishable from the pure form.