A solution turns red litmus blue, its pH is likely to be
(a) 1 (b) 4 (c) 5 (d) 10
What will happen if a solution of sodium hydrocarbonate is heated? Give the equation of the reaction involved.
Under what soil condition do you think a farmer would treat the soil of his fields with quick lime (calcium oxide) or slaked lime (calcium hydroxide) or chalk (calcium carbonate)?
What effect does the concentration of H+
(aq) ions have on the nature of the solution?
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