Single Answer MCQ
Q-00004400
Which of the following shows an acid/base reaction?
1
NaOH + HCl → NaCl + H2O
2
CaCO3 + H2 → Ca + CO2
3
CH3COOH + Na → CH3COONa + H2
4
H2 + O2 → H2O
Answer and Solution
Answer
A. NaOH + HCl → NaCl + H2O
Solution:
The equation NaOH + HCl → NaCl + H2O depicts a neutralization reaction between a strong base and a strong acid producing salt and water. The others do not fit this definition.
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