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Ben Keating · Answer 1 · 2021-07-01T08:14:03+0000

Answer:

d. Precipitation and gas evolution

Step-by-step explanation:

The reaction of aqueous solutions of barium sulfide and sulfuric acid is as follows -

$BaS + H_2SO_4 \rightarrow BaSO_4 + H_2S$

The above reaction is a type of precipitation reaction , as on reacting the two or more reactants , a precipitate is generated as one of the product , is referred to as a precipitation reaction .

The state of H₂S is gaseous in nature , and hence , a gaseous products is generated along with a precipitate ,

Hence , from the above reaction ,

The correct option is d. Precipitation and gas evolution .

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