Separation of Substances Quiz

What is handpicking used for?

• To separate undesirable components in small amounts

• To dissolve solids in liquids

• To mix substances

• To separate large components

What is the process of separating grain from stalks called?

• Filtration

• Winnowing

• Threshing

• Sieving

Which method is used to separate cashew nuts in factories?

• Centrifugation

• Decantation

• Sieving

• Handpicking

What is the use of alum in loading?

• To filter liquids

• To dissolve solids

• To make sedimentation faster

• To evaporate water

What is decantation?

• A method to mix liquids

• A method to heat substances

• A way to dissolve solids

• A process of separating insoluble solids from liquids

Which process is used to obtain salt from seawater?

• Filtration

• Evaporation

• Centrifugation

• Decantation

What is the opposite process of condensation?

• Evaporation

• Sublimation

• Filtration

• Centrifugation

What is the importance of centrifugation?

• To separate suspended particles from a liquid

• To dissolve solids

• To mix liquids

• To evaporate water

Which method is used to separate butter from milk?

• Sieving

• Filtration

• Churning

• Decantation

What is a strainer commonly used for?

• To heat liquids

• To dissolve substances

• To separate larger particles from smaller ones

• To mix ingredients