Question

explain the activity 1.2 of Ncert class 10 science​

Answer 1

Answer:

Activity 1.2 explains double displacement reaction. ... In this reaction, the reactants (lead nitrate and potassium iodide) exchange their ions to form products, (lead iodide and potassium nitrate). Hence it is a precipitation reaction.

Answer 2

Answer:

Observation- On mixing two solutions a yellow colour precipitate of lead iodide is formed. Conclusion: On mixing Pb(NO3)2 and KI, the yellow-coloured precipitate of PbI2 is obtained.