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C1: Quiz 7
C1: Quiz 7
1)
a) What does soluble mean?
b) What does insoluble mean?
c) Out of sand and sugar, which is soluble in water and which is insoluble in water?
2)
a) What is the name of the method that we would use to separate an insoluble solid from water?
b) Outline the steps in this separation technique.
3) We can separate a soluble solid from a liquid by using evaporation or crystallisation.
a) Why would we use crystallisation rather than evaporation?
b) Outline the steps in evaporation.
c) Outline the steps in crystallisation.
4) Rock salt is a mixture of salt and sand. Describe how we can separate rock salt to obtain salt and sand by their selves.
a) What does soluble mean?
b) What does insoluble mean?
c) Out of sand and sugar, which is soluble in water and which is insoluble in water?
2)
a) What is the name of the method that we would use to separate an insoluble solid from water?
b) Outline the steps in this separation technique.
3) We can separate a soluble solid from a liquid by using evaporation or crystallisation.
a) Why would we use crystallisation rather than evaporation?
b) Outline the steps in evaporation.
c) Outline the steps in crystallisation.
4) Rock salt is a mixture of salt and sand. Describe how we can separate rock salt to obtain salt and sand by their selves.