2
QuizMultiple Choice

Elements, Compounds, and Mixtures — Quiz

Question 2 • 26-27 - C - RUSD Chemistry in the Earth System

A solid precipitate is formed from the reaction of lead nitrate and sodium chromate. What would be the best method to separate this solid from the solution?

Answer
A
filtration
B
evaporation
C
sorting
D
distillation

Explanation

Lead nitrate and sodium chromate react to form solid lead chromate, which precipitates out of the solution. Filtration separates an insoluble solid from a liquid by trapping the solid in a filter while the solution passes through. Distillation and evaporation are used to separate dissolved substances or recover liquids, and sorting is not suitable for a solid mixed into a solution.

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