What are soluble substances? Give examples
Substances that completely dissolve in a liquid to give a solution. Sugar, Salt
What are insoluble substances? Give example
Substances that do not dissolve in a liquid. Tea Leaves, Mud
Is Chalk soluble in water? What kind of solution is formed? Explain
Not Soluble, Cloudy solution, thus shows doesnot completely dissolve in water
What kind of Substance is salt? What kind of solution does it form?
Soluble,, Clear Solution
What kind of substance is Flour/atta? and the solution?
Insoluble, Cloudy solution
How do you separate a soluble substance from a liquid? Give example
By Boiling, Salt and Water
During the process of boiling, do you get both the substances back? Explain
No, in salt and water, water is lost
What equipment is used to heat a test tube/beaker in a laboratory?
Bunsen Burner
When do you use simple distillation method? Give example
To remove soluble impurities from water, to get pure water
Give another example for Simple Distillation
Separating Acetone form Water
What happens in Sedimentation?
Impure substances settle down.
What happens in Decantation?
The process of removing clear water after the sediments have settled down
