Which acid and base neutralize to give potassium chloride salt? hf(aq) and kcl(aq) hcl(aq) and kcl(aq) hf(aq) and koh(aq) none of the above hcl(aq) and koh(aq)?

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HCl (aq) and KOH (aq)

Explanation: -

Neutralization reaction is a type of reaction in which an acid and base react together to give salt and water.

A neutralization reaction is a type of double displacement reaction as well.

So if KCl is the salt that is formed then K should come from one and Cl from another.

Hence KOH and HCl are the acid and base that would neutralize to give KCl.

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .