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Separation Techniques for Mixtures

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Presentation on theme: "Separation Techniques for Mixtures"— Presentation transcript:

1 Separation Techniques for Mixtures
CHOOSE JUST ONE ANSWER A, B, C, OR D

2 Which of these solids dissolves in water?
Question 1 Which of these solids dissolves in water? A Sand B chalk C Salt D Sulphur

3 Wrong Answer! salt Try Again

4 When can filtration be used?
Question 2 When can filtration be used? A To separate a solid from a liquid B To separate two liquids C To crystallise salt D To separate a mixture of different coloured dyes

5 To separate a solid from a liquid
Wrong Answer! To separate a solid from a liquid Try Again

6 Question 3 During filtration, an insoluble solid collects in the filter paper. What is this called? A solute B filtrate C solvent D residue

7 Wrong Answer! residue Try Again

8 Question 4 During filtration a liquid passes through the filter paper. What is this called? A chalk B residue C filtrate D insoluble

9 Wrong Answer! filtrate Try Again

10 Question 5 Which techniques could be used to get salt from a dry mixture of salt and sand A Dissolve the salt, filter the solution, recrystallise the salt B chromatography C Fractional distillation D Filter the dry mixture, crystallise the salt

11 Dissolve the salt, filter the solution, recrystallise the salt
Wrong Answer! Dissolve the salt, filter the solution, recrystallise the salt Try Again

12 Sea water is a mixture, what does it consist of….?
Question 6 Sea water is a mixture, what does it consist of….? A Salt and gases B water C Water and salt D Water, salt and gases

13 Wrong Answer! Water, salt and gases Try Again

14 Which of these is a mixture?
Question 7 Which of these is a mixture? A oxygen B Air C Copper sulphate D Quartz

15 Wrong Answer! Air Try Again

16 Which of these is not a mixture?
Question 8 Which of these is not a mixture? A Sea water B Calcium carbonate C Granite D Air

17 Wrong Answer! Granite Try Again

18 Which of these statement is true?
Question 9 Which of these statement is true? A Mixtures have a fixed composition B In mixtures the atoms or compounds are joined together C Mixtures are hard to separate D Mixtures do not have a fixed composition

19 Mixtures do not have a fixed composition
Wrong Answer! Mixtures do not have a fixed composition Try Again

20 Which of these statement is true?
Question 10 Which of these statement is true? A Compounds are easy to separate B Compounds have a fixed composition C Compounds do not have a fixed composition D In compounds the atoms or particles are not joined together

21 Compounds have a fixed composition
Wrong Answer! Compounds have a fixed composition Try Again

22 Congratulations! Your are great, well done.


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