5. Rani wants to find out whether the temperature of water makes any difference to the rate at which salt dissolves. She has planned 6 set ups P, Q, R, S, T and U. Which TWO set ups below should she use? * 1 point Water Amount of salt Temperature (°C) 25 Р 100 ml 200 ml 3g Q 25 R. S 100 ml 200 ml 100 ml 25 50 50 3g 69 9g 3 g 6 g T U h 200 ml 50 O a P and R O b.Q and s O c P and T O d. S and U
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d
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Its D
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