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When an aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change which is observed is:(1) light green solution slowly turns colourless(2) the lower end of the test tube becomes slightly warm(3) a colourless gas with smell of burning sulphur is observed(4) light green solution changes to blue |
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Answer» When an aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change which is observed is: (1) light green solution slowly turns colourless (2) the lower end of the test tube becomes slightly warm (3) a colourless gas with smell of burning sulphur is observed (4) light green solution changes to blue |
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