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What do you observe when the following substances are heated and then tested with moist blue and red litmus – paper? (a) Sulphur

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What do you observe when the following substances are heated and then tested with moist blue and red litmus – paper?

(a) Sulphur

(b) Phosphorus

(b) Calcium

(d) Magnesium

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1 Answer

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(a) Sulphur : Blue litmus turns red.

(b) Phosphorus : Blue litmus turns red.

(c) Calcium : Red litmus turns blue.

(d) Magnesium : Red litmus turns blue.

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