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Not sure of the detail your after, but the simplest reason is because different salts have different elements in them, and since all atoms have a unique spectrum, they all emit different colours, the salts are based on the metals since metals tend to emit in the visible spectrum.
Hence different salts have different metals which absorb energy from the flame and then give it off in a distintive series of jumps the electron will make from the excited state to it's ground state. This series is specific to the atom, and hence a different colour to that of the other salts.
Wiki User
∙ 14y ago
Wiki User
∙ 10y agoCommon salt is a white powder, large crystals are transparent with no color. Sodium chloride does not have energy bands low enough to absorb visible light. Coloured salts are generally transition metals which have these lower energy bands.
Wiki User
∙ 11y agowell it depends on where the salt came from or what substances it has
Wiki User
∙ 10y agoTable salt (NaCl) is white; only extremely impure salt is coloured.
Wiki User
∙ 8y agoThey are colored because they contain some impurities.
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What is the colour of sugar and common salt solution?
because that is how god created it
What shape and colour is common salt crystal?
White (colorless) cubic crystals.
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It is not. Electrical charges do not have a colour. However it might be depicted on iagrams with black - it is just a common convention to make them easier to read.
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By evaporation of the water and crystallization of the salt.
What colour is common salt crystals?
white
What is the colour of sugar and common salt solution?
because that is how god created it
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What shape and colour is common salt crystal?
White (colorless) cubic crystals.
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What colour is an ant and does the change color?
I know that the common ant is black, but I think they can be red too.
