7th Grade Separation Techniques Quizzes, Questions & Answers

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Methods Of Separation Of Mixtures: Quiz!

Explore the 'Methods of Separation of Mixtures' through this engaging quiz! Test your understanding of different mixture types like solutions, colloids, and suspensions, and master various separation techniques such as magnetic...

Questions: 14 | Attempts: 3106 | Last updated: Mar 22, 2025

Sample Question 1
Which list shows mixtures in which the particles dispersed in water are increasing in size?

Colloid, solution, suspension

Solution, colloid, suspension

Solution, suspension, colloid

Suspension, colloid, solution

Sample Question 2
Which of the following descriptions is correct?

A suspension contains particles which will not settle out if the suspension is left standing

A colloid is a 'cloudy' mixture containing particles which will not easily settle out when the colloid is left standing

A solution consists of a solvent dissolved in a solute

A mixture consists of two or more pure substances which can only be separated by chemical methods

Sample Question 3
Which of the following would not be described as a colloid?

Saltwater

Foam

Fog

Smoke