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How could a scientist tell whether a solution contained salt or sugar?
Wiki User
∙ 15y ago
If the solution is completely unknown, they would use qualitative chemical analysis.
If the solution was already known for certain to be just one of those two options, probably the easiest way would be to test if the solution conducts electricity: salt will conduct, sugar won't.
Wiki User
∙ 7y ago
Wiki User
∙ 13y agoYou could Boil it in a pan? Boil salt water and there should be a line of white on the side of the pan when the water has completely evaporated.
You could taste it? The salt water should taste revolting like when you are swimming in the sea and a wave washes over you. On the other hand, sugar water should taste sweet or you should just taste the water.
however it is unsafe to tasting the liquid when in a Laboratory even if your supervisor HAS stated that the beakers have been cleaned, there is no telling what was in there before you were using them. it could have been an Corrosive Acid (A harmful Substance that burns through things like wood, metal and skin) like Hydrofluoric Acid for example. It would be safer to use the boiling method as long as you don't get the hot water on you.
Hope that helped you lots. x :)
Wiki User
∙ 13y agoby testing the electrical conductivity of the solution
Wiki User
∙ 15y ago# You could test Density by floating something # You could test boiling point # You could test freezing point
Wiki User
∙ 14y agoSalt is sour and sugar is sweet.
Sugar is soft and salt is like rough and grainy.
Wiki User
∙ 11y agoTake two samples, and apply a catalyst which will react to salt and sugar respectively to each sample. Monitor and record the results.
Wiki User
∙ 8y agoA simple qualitative test is sufficient; adding some drops of silver nitrate to the sodium chloride solution become opalescent.
Wiki User
∙ 13y agoby testing the electrical
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