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4  Carlos has a mixture of sand, salt and water.

               He wants to separate the mixture.

               Here is some of the apparatus that Carlos uses.








                             apparatus A                                    filter funnel

















                                                                              apparatus B





               (a) What is the name of apparatus A?

                                                                                                           [1]


               (b) What is the name of apparatus B?

                                                                                                           [1]


               (c) Explain how you separate the mixture of sand, salt and water.










                                                                                                           [3]





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