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An example of a solution is sodium chloride in water. You can make this by dissolving table salt in water. The salt particles break apart and mix with the water particles to make a transparent solution. The salt particles are colourless. You can see this by growing large salt crystals which are colourless and transparent. Some metal compounds are coloured because of the metal, and the colour appears in the solution. Have a look at a periodic table of the elements. The metals between titanium and copper (to name a few) have some very brightly coloured compounds.
A solution is a type of mixture that cannot be separated easily, such as by hand, with magnets, or with common tools. A solution contains a solute and a solvent. The solute is the substance in the mixture that will dissolve, which means that the particles become too small to be seen. A solvent is a liquid, most commonly water(the universal solvent). The solvent is the substance that actually does the dissolving. Properties of a solution may change, but some may remain the same. For example, the water may become sweet when you add sugar, but the water will remain a liquid. The statement " a solution is always clear, but not always colorless" means that the solution will be uniform, or the same throughout, but may change color as a result of dissolving.
A solution has solute and solvent. Solven if present in a larger amount and solute is present in a smaller amount.
A solution is clear when you can see through it. For eg a copper solution is a bright blue. It's clear. Nothing is suspended but it has color. So it is clear but it has color.
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