Matter-Separating Substances Exam

How would you separate oil and water?

• Filtration

• Distillation

• Chromatography

• Separating Funnel

In a sea water solution, what is the water called?

• Solvente

• Solute

• Solution

• Inmiscible

Who were the scientists who made the BE condensate a reality?

• Kelvin-Ranking

• Bose-Einstein

• Cornell-Weiman

• Cornell-Crick

... isn`t a plasma

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How does filtration work?

• The stickiest dyes travel up the shortest distance.

• Holes in the paper only allow the smaller particles through.

• The lower boiling point liquid travels furthest.

• Magnetic particles cling to the paper.

Which of the following are pure substance?

• Salt, sugar, milkshake

• Gold, air and chocolate

• Aluminium, Iron, ozone

• Tap water, sea water, cocoa powder

Choose the incorrect sentence

• Compounds can be separated by chemical methods.

• The heterogeneous mixtures is made of more than one phase.

• The elements aren´t mixtures.

• The elements can be separated

Homogeneus mixtures can ___________

• Be separated by chemical methods

• Made one or more phases

• Have a part called solvent

• Be formed only by suspensions

An automobile factory needs to separate the aluminium filings that fall in the sand, so It needs to use

• Magnetism

• Fractional distillation

• Separating funnel

• Chromatography

Which of the following is a mixture?

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