Science, asked by hardikzala594, 10 months ago

Give an example each where change of colour and change of temperature indicates a chemical reaction

Answers

Answered by Anonymous
1

Change in colour:

Reaction between lead nitrate solution and potassium iodide solution.

Pb(NO3)2(aq) +2KI -------> PbI2(s) + 2KNO3(aq)

In this reaction colour changes from colourless to yellow.

Answered by yagneshsingh0908
1

Answer:litmus

Explanation:

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