G6-SCI-L3 Separation of Substances

Which of the following methods is NOT mentioned in the text for separating substances?

• Handpicking
• Winnowing
• Sieving
• Distillation

What is the process of separating grain from stalks called?

• Winnowing
• Threshing
• Sieving
• Handpicking

Which method is used to separate heavier and lighter components of a mixture by wind or blowing air?

• Sedimentation
• Filtration
• Winnowing
• Evaporation

What is the process called when the heavier component in a mixture settles after water is added to it?

• Decantation
• Sedimentation
• Filtration
• Evaporation

Which method is used to separate tea leaves from prepared tea?

• Decantation
• Filtration
• Sieving
• Handpicking

What is the process of removing water from a solution by heating called?

• Condensation
• Evaporation
• Filtration
• Sedimentation

Which method would be most effective for separating a mixture of sand and water?

• Handpicking
• Winnowing
• Sedimentation and Decantation
• Sieving

What type of solution cannot dissolve any more of a substance?

• Diluted solution
• Concentrated solution
• Saturated solution
• Unsaturated solution

Which process involves beating stalks to free grain seeds?

• Winnowing
• Threshing
• Sieving
• Handpicking

What method would you use to separate a mixture of iron filings and sand?

• Winnowing
• Filtration
• Handpicking
• Using a magnet