Question

Show how change in colour take place in a chemical reaction

Answer 1

Answer:

Explanation:

Reaction between copper sulphate soludon and zinc metal. The blue colour of the copper sulphate solution fades away and a red brown metallic copper is formed,

Answer 2

Answer:

some chemical reaction are accompanied by change in colour .

for example

rust is brown in colour whereas iron is greyish black in colour

lead nitrate and potassium iodide solutions are colourless but on mixing the two the precipitate of lead iodide formed is yellow in colour

hope it helps u .

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