Question

Select the word/s given which are required to correctly complete the blanks -

[ammonia, ammonium carbonate, carbon dioxide, hydrogen, hydronium, hydroxide, precipitate, salt, water]

(i) A solution M turns blue litmus red, so it must contains (1) ______ ions; another solution O turns red litmus blue and hence, must contain (2) ______ ions.

Answer 1

A solution M turns blue litmus red, so it must contain hydronium ions; another solution O turns red litmus blue and hence, must contain hydroxide ions.

Solution M is therefore an acidic and solution O is basic.