Question
What happens when dilute hydrochloric acid is added to Iead nitrate solution ?

Answer

When dilute hydrochloric acid is added to lead nitrate solution, white precipitate of lead chloride forms.
$Pb \left( NO _3\right)_2+2 HCI \longrightarrow \underset{\text { White }}{ PbCl _2 \downarrow}+2 HNO _3$

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