Question

3. detail of activity 1.2

Answer 1

Observation: A yellow colour precipitate appears at the bottom.

Explanation: Lead nitrate and potassium iodide; both are colourless. They react with each other to form a yellow precipitate of lead iodide. Lead iodide settles down at the bottom of the tube.

$\huge\mathbb{\purple{ドラえもんバツ のび太}}$