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What did you observe! This is not a question we can answer as we were not present when the salt was added.
Salt added to water form a solution, an electrolyte.
You get a mixture of salt and sand. Nothing more happens.
You create a solution of the salt in water.
Water dissolve and transport salt.
The salt dissolves in the water and the iron does not.
it rises slightly
If you add the salt to the water, the density of the water increases. so the what ever floats on the water will come up. That mean it will get immersed in the water to less extent. If the salt does not dissolve in the liquid, like rock oil, there will be no difference.
Water and an aqueous salt are often formed
It melts slowly.
Water and an aqueous salt are often formed
Salt water has a higher density, so the pressure at a given depth increases.
When salt is added to water, the density of water increases. Therefore the density of egg becomes less than the density of water therefore it begins to float in water.
Actually, it's when salt is added; it decreases the boiling point of water.
depends how much water. If less, it will evaporate leaving all the salt behind
Magnesium oxide react with water and magnesium hydroxide is formed.
U evaporate it