Question

a solution of potassium iodide is added to a solution of lead nitrate.
1) write down the observation that confirms that a reaction has taken place

Answer 1

Answer:

When a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube, the precipitation of a yellowish solid is observed. This yellowish solid is lead iodide.

Answer 2

Answer:

When a solution of potassium iodide is added to a solution of lead nitrate

a yellowish substance lead iodide is released in the form of precipitate.

The formation of lead iodide confirms that a reaction has taken place.

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