A) Dilute sodium hydroxide and dilute hydrochloric acid
B) Magnesium and dilute hydrochloric acid
C) Copper sulphate and dilute sulphuric acid
D) Washing soda solution in water and dilute nitric acid
Correct Answer: A
Solution :Sodium hydroxide is a base and it reacts with hydrochloric acid to form sodium chloride (salt) and water. It is a neutralization reaction.
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