Separation Methods

Which technique is shown the diagram below

• seiving
• filtration
• decanting
• crystallization

How can we separate an insoluble solid from a liquid?

• chromatography
• crystallisation
• filtration
• condensation

Look at the apparatus setup. It cannot be used to separate which of the following mixtures? 

• Marble chips from oil 
• Alcohol and water
• Chalk from sugar solution
• Sand and sea water

Iron and copper screws could be separated using a magnet because

• iron is magnetic, copper is not
• copper is magnetic, iron is not
• neither metal is magnetic
• copper screws are heavier than iron and fall off the magnet

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

which method of separation is this ?

• decantation

• sedimentation

• winnowing

• sieving

Sofia separated a mixture (soil and water). At the end, she had clean water using a separation technique. What is the name of the separation technique she used?

• Evaporation

• Filtration

• Separating funnel

• Sieving

What is the name of the separation technique should a student use to separate the iron filings?

• Magentism

• Filtration

• Sieving

• Separating funnel

A salad is an example of which?

• element
• compound
• mixture
• solution

What does this picture represent?

• mixture
• solution