1.

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

Answer»

(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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