Separation of Substances Quiz

What is the process used to separate grain seeds from stalks?

• Threshing
• Winnowing
• Filtration
• Decantation

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

• Threshing
• Winnowing
• Filtration
• Decantation

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

• Sedimentation
• Decantation
• Filtration
• Evaporation

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

• Threshing
• Winnowing
• Filtration
• Decantation

What is the process called when a liquid gets converted into its vapor?

• Sedimentation
• Decantation
• Filtration
• Evaporation

Which method is used to separate sand and water from their mixture?

• Threshing
• Winnowing
• Filtration
• Decantation

Can sugar mixed with wheat flour be separated? If yes, how?

• Yes, by sieving
• Yes, by winnowing
• No, it cannot be separated
• Yes, by filtration

What is the process called when impurities settled at the bottom of muddy water and the clear water was poured off from the top?

• Sedimentation
• Decantation
• Filtration
• Evaporation

Which method is used to separate seeds of paddy from their stalks?

• Threshing
• Winnowing
• Filtration
• Decantation

What is the process called when cream is separated from milk by pouring it onto a piece of cloth?

• Sedimentation
• Decantation
• Filtration
• Churning