jovanyalvarez9209 jovanyalvarez9209

01-04-2024
Chemistry

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A substance p taken in a test tube is treated with dilute sulphuric acid. a moist blue litmus paper placed at the mouth of the test tube turns faint red. the substance p could be:
(a) zinc sulphate
(b) copper sulphate
(c) ferrous sulphate
(d) ammonium sulphate

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