Which of the following is an example of a double displacement reactionRequired to answer. Single choice.
(1 Point)
a. Sodium react with cold water vigorously
b. Sodium hydroxide is added to hydrochloric acid
c. Copper is added to zinc sulphate
d. Calcium oxide is dissolved in water
Answers
Answered by
1
Answer:
b) sodium hydroxide is added to hydrochloric acid
Answered by
0
Answer:
Explanation:
b. NaOH + H₂O ⇒ NaCl + HCl
In this reaction, Sodium (Na) more reactive than Hydrogen (H) displaces H⁺ from its compound.
Therefore, this is a double displacement reaction.
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