An element forms a gaseousoxide, which on dissolving inwater gives a solution in whichblue litmus paper turns red. Theelement is(a)Sodium(b)Sulphur(c) Calcium(d)magnesium
Question
An element forms a gaseousoxide, which on dissolving inwater gives a solution in whichblue litmus paper turns red. Theelement is(a)Sodium(b)Sulphur(c) Calcium(d)magnesium
Solution
The element in question is likely to be a non-metal because it forms an acidic solution in water (as indicated by the blue litmus paper turning red). Among the options given, the only non-metal is Sulphur. Therefore, the correct answer is (b) Sulphur.
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