Jolene wants to experiment with sugar cubes. Which of the following causes a sugar cube to only change physically, not chemically?
i) burning the sugar cube with a matchstick
ii) crushing the sugar cube and dissolving it in water
iii) heating the sugar cube with acid
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0
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Explanation:I didn't understand
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4
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l think it is no 2 because only the physical changes are involved like crushing and dissolving and surely it will change the present stage of the sugar cube.
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