Separation of Substances

A substance that can dissolve another substance is called ______________.

• soluble

• solution

• solvent

• insoluble

What is formed when we dissolve a substance in water?

• Solute

• Mixture

• Solvent

• Solution

Salt is obtained from sea water by __________

• Sublimation

• Filtration

• Evaporation

• Hand picking

The filtration process is used at our home to separate

• Paneer and liquid residue of sour milk

• Tea and tea leaves

• Fruit juice and fruit pulp

• Wheat flour and husk

When the heavier component in a mixture settles after water is added to it, the process is called

• Sedimentation

• Decantation

• Filtration

• Churning

Filtration can be used to separate...

• an insoluble solid from a solution
• a soluble solid from a solution
• a dissolved solid from a solution

Which technique is shown the diagram below

• seiving
• filtration
• decanting
• crystallization

Air is a mixture of

• SEVERAL GASES

• WATER VAPOURS AND SMOKE PARTICLES

• DUST

• ALL OF THE ABOVE

The particles that settle down in sedimentation are called

• FILTRATE

• SEDIMENT

• SOLUTE

• ALL OF THE ABOVE

Which of the following can dissolve in water?

• ONLY SOLIDS

• ONLY LIQUIDS

• ONLY SOLIDS AND LIQUIDS

• SOLIDS, LIQUIDS AND GASES