Question

identify the solution among the following mixtures.
(a)soil
(b)sea water
(c)air
(d)coal
(e)soda water
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Answer 1

Answer:

• (2) Seawater, (3) Air  and (5) Soda water

What is solution?

A solution is a homogeneous mixture of two or more components with a smaller size than 1 nm. Homogeneous mixtures have only one phase.

• solvent: the substance in which a solute dissolves to produce a homogeneous mixture

• solute: the substance that dissolves in a solvent to produce a homogeneous mixture

Answer 2

soil-the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.

sea water- Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of approximately 3.5%, or 35 parts per thousand.

air-the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.

coal-a combustible black or dark brown rock consisting chiefly of carbonized plant matter, found mainly in underground seams and used as fuel.

soda water- carbonated water (originally made with sodium bicarbonate) drunk alone or mixed with alcoholic drinks or fruit juice