Question

mention the reason the colour changes observed when :-

1. silver chloride is exposed to sunlight.
2. a piece of zinc is dropped in a copper sulphate solution.
3. name the colour of precipitate formed when lead nitrate solution is added to a potassium iodide solution ?

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Answer 1

Explanation:

1.colour changes to grey

2.changes blur colour to colourless

3.yellow

Answer 2

1.it turn into silver Gray in colour.

2.When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate.

3.yellow colour precipitate will from

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