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Answer 1

Answer:

question 1) (A) an example of pure substance= tin

(B) an example of heterogeneous=oil and water

(C) an example of solid-solid mixture= 1) solid heterogeneous=stone

solid homogeneous=copper

(D) an example of solid-liquid mixture= solid liquid homogeneous= water

solid liquid heterogeneous=salt and oil

question 2) Answer (A)= A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.

Answer (B)Mixtures can be separated using a variety of techniques. Chromatography involves solvent separation on a solid medium. Distillation takes advantage of differences in boiling points. Evaporation removes a liquid from a solution to leave a solid material.

Answer (C)  a mixture is a material made up of two or more different substances which are physically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.

Answer(D) The components of a mixture are the items that are mixed together. This can include a wide variety of substances

Answer(E) Different components of a mixture are separated in order to either separate the unrequired components from a mixture or sometimes, to separate more than one useful components from a mixture. -Grain purchased from shops can contain several impurities such as pieces of stone, husk, broken grains, etc. mark as brainest please

Explanation: