1.

From the list given below, select the word(s) required to correctly complete the blanks (i) to (v) in the following passage:Ammonia, Ammonium, Carbonate, Carbon dioxide, Hydrogen, Hydronium, Hydroxide, Precipitate, Salt, Water.A solution 'X' turns blue litmus red so it must contain (i) ________ ions; another solution 'Y' turns red litmus blue and therefore must contain (ii) _________ ions. When X and Y are mixed together, the products will be a (iii) ________ and (iv) _________. If a piece of magnesium was put into solution X, (v) ________ gas would be evolved.

Answer» From the list given below, select the word(s) required to correctly complete the blanks (i) to (v) in the following passage:

Ammonia, Ammonium, Carbonate, Carbon dioxide, Hydrogen, Hydronium, Hydroxide, Precipitate, Salt, Water.

A solution 'X' turns blue litmus red so it must contain (i) ________ ions; another solution 'Y' turns red litmus blue and therefore must contain (ii) _________ ions. When X and Y are mixed together, the products will be a (iii) ________ and (iv) _________. If a piece of magnesium was put into solution X, (v) ________ gas would be evolved.


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