1.

An element X reacts with water to form a solution which turns phenolphthalein indicator pink.The element X is most likely to be: (a) sulphur (b) sodium (c) carbon (d) silicon

Answer»

An element X reacts with water to form a solution which turns phenolphthalein indicator pink.The element X is most likely to be:

(a) sulphur

(b) sodium

(c) carbon

(d) silicon



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