Chemical Reactions and Equations | Activity 1.10 with Solution
Activity 1.10
Take about 3 mL of sodium sulphate solution in a test tube.
In another test tube, take about 3 mL of barium chloride solution.
Mix the two solutions (Fig. 1.9).
What do you observe?
Answer:
A white
substance (BaSO4) is formed by the reaction of SO42–
and Ba2+.
This water insoluble substance is called precipitate. Any reaction that
produces a precipitate is called precipitation reaction.
The other
product (sodium chloride) remains in solution.
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