A chemical reaction is generally characterized by many changes like Evolution of gas, change in colour, change in state of substances Change in temperature and formation of precipitate.
(i) What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?
(ii) What type of reaction is this?
(iii) Write a balanced chemical equation to represent the above reaction.
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1. When a solution of potassium iodide is added to a solution of lead nitrate , potassium nitrate and lead iodide is formed.
2. Double displacement reaction
3. 2KI + Pb(NO3)2 === 2KNO3 + PbI2
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