Which of the following contains only of solutions?a.vinegar, alcohol, halo-halob.milk, apple, nickelc.air, coffee, steeld.steel, soil, air
Question
Solution
The correct answer is c. air, coffee, steel.
Here's why:
a. Vinegar and alcohol are solutions, but halo-halo is a mixed dessert from the Philippines and not a solution.
b. Milk is a colloid, not a solution. An apple is a solid, and nickel is a metal.
c. Air is a solution of different gases (mostly nitrogen and oxygen). Coffee is a solution of water and dissolved coffee solids. Steel is a solid solution of carbon in iron.
d. Steel, as mentioned before, is a solution, but soil is a mixture of various organic and inorganic materials, and air is a solution. So, not all components listed are solutions.
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