The acid and base a salt comes from

1. A.
   $\mathrm{HNO_3}$ and NaOH
2. B.
   $\mathrm{H_2SO_4}$ and KOH
3. C.
   $\mathrm{CH_3COOH}$ and NaOH
4. D.
   HCl and $\mathrm{NH_4OH}$

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1. A.
   Salt and water is formed.
2. B.
   Neutral salts are formed.
3. C.
   Hydrogen gas is formed.
4. D.
   Acidic salts are formed.

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1. A.
   $\mathrm{NaCl}$, $\mathrm{Na_2SO_4}$, $\mathrm{CaSO_4}$
2. B.
   $\mathrm{K_2SO_4}$, $\mathrm{Na_2SO_4}$, $\mathrm{CaSO_4}$
3. C.
   $\mathrm{NaNO_3}$, $\mathrm{CaCO_3}$, $\mathrm{Na_2CO_3}$
4. D.
   $\mathrm{MgSO_4}$, $\mathrm{CuSO_4}$, $\mathrm{MgCl_2}$

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1. A.
   Sodium hydroxide
2. B.
   Hydrochloric acid
3. C.
   Baking soda
4. D.
   Slaked lime

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