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06-06-2019
Chemistry

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Which equation represents a neutralization reaction?1) CaO + H2O → Ca(OH)22) 2HCl + Zn → ZnCl2 + H23) H2SO4 + CaCO3→ CaSO4 + H2O + CO24) HNO3 + KOH → KNO3 + H2O

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superman1987 superman1987

16-06-2019

Answer:

4) HNO₃ + KOH → KNO₃ + H₂O.

Explanation:

The neutralization reaction is the reaction between an acid and a base that results in a salt and water.

So, the right choice is:

4) HNO₃ + KOH → KNO₃ + H₂O.

Where, an acid (HNO₃) reacts with a base (KOH) and results in a salt (KNO₃) and water.

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