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Question


Which of the following is a neutralisation reaction?


Options:
A .   NaOH(aq) HCl(aq) NaCl(aq) + H2O(l)
B .   2HCl(aq) + 2Na(s)  2NaCl(aq) + H2(g)
C .   Na2CO3(aq) + H2O(l)  2NaOH(aq) + CO2(g)
D .   NH3(aq) + H2O(l)  NH4OH(aq)()
Answer: Option A
:
A
When an acid reacts with a base, it forms salt and water. This is called neutralisation reaction.
Here, only the reaction between hydrochloric acid with sodium hydroxide is a neutralisation reaction since it gives sodium chloride and water as products. The reaction involved is given below:
HCl(aq)+ NaOH(aq)  NaCl(aq) + H2O(l)

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