Give the example of precipitation reaction and reduction reaction?

1.	Give the example of precipitation reaction and reduction reaction?
Answer» Reactions in which precipitate is formed are called precipitation reactions. Generally in a precipitation reaction insoluble salts are settled down as precipitate.Na2SO4 (aq) + BaCl2 (aq) → 2NaCl (aq) + BaSO4 (s)In the above reaction, when sodium sulphate reacts with barium chloride, the white precipitate of barium sulphate is formed along with the sodium chloride.Reduction: If a substance loses oxygen or gains hydrogen during a reaction, it is that the substance is reduced. This phenomenon is called reduction. In the following reaction zinc loses oxygen, and hence called is reduced.ZnO + C ⇨ ZnCOMnO2 + 4HCl → MnCl2 + 2H2O + Cl2In this reaction Mangnese dioxide loses oxygen and hence is called readuced. Jab hum teri maa ko chodte hai tab mera lassi precipitate hota hai aur teri maiya ka randipan reduce hota hai

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