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Why does conductivity of electrolyte solution increase upon heating?
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How does stirring and heating affect the solution?
Both stirring and heating increase the rate of dissolving
Why a saturated solution on heating becomes unsaturated explain and give example?
On heating a saturated solution it becomes unsaturated because heating causes kinetic energy to increase the distance between the molecules of liquid. Thus the solute takes free space present in the solvent. That is why saturates solution becomes unsaturated upon heating.
How is the electrolyte of aluminium oxide and cryolite kept molten?
electrical heating :D
What is The increase in area of the solid on heating called?
The increase in area of the solid on heating is called Superficial expansion
What is heating to dryness mean?
Heating a solution until all the solvent has evaporated is known as heating to dryness.
What is the materila used in heating appliances?
alloys are used in heating appliances to increase the heat conductivity in the electrical heating devices.
How does stirring and heating affect the solution?
Both stirring and heating increase the rate of dissolving
What will happen after heating the sugar solution?
The solubility increase with increasing temperatures.
Why a saturated solution on heating becomes unsaturated explain and give example?
On heating a saturated solution it becomes unsaturated because heating causes kinetic energy to increase the distance between the molecules of liquid. Thus the solute takes free space present in the solvent. That is why saturates solution becomes unsaturated upon heating.
What will affect both the rate of dissolving and the solubility of a solid in a liquid?
Heating or stirring will normally increase the rate at which a soluble solid dissolves in liquid. Heating will also normally increase the amount of solute that can be retained in solution.
Would the temperature increase or decrease if you stir the solution after mixing?
Both stirring and heating increase the rate of dissolving
How is the electrolyte of aluminium oxide and cryolite kept molten?
electrical heating :D
What are three ways to increase the dissolving rate of sugar in water?
Try heating the solution or add more of water
What is The increase in area of the solid on heating called?
The increase in area of the solid on heating is called Superficial expansion
Is heating the salt solution a chemical or physical?
Heating is a physical process.
How do you concentrate dilute salt solutions for the purpose of crystallisation?
Slowly evaporate the the solvent by heating. This will increase the concentration of the solute (the salt) which will eventually begin to crystallize out of the solution.
How can colloids be destroyed?
Colloids can be destroyed by heating them or adding an electrolyte in order to destroy them. By adding a small amount of a electrolyte, a colloid can be coagulated. Electrophoresis may be another method to destroy a colloid.
