Wastewater treatment

The process of settling down of particles of a solid in a liquid is

• Sublimation

• Sedimentation

• Filtration

• Decantation

The solubility ____________ with increase in temperature.

• doesn't change

• decreases

• increases

The diagram shows the apparatus for separating soil and water. What are the labelled parts?

• A = distillate, B = filtrate
• A = filtrate, B = residue
• A = residue, B = filtrate
• A = residue, B = distillate

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which separation technique uses the apparatus shown in the diagram?

• filtration

• evaporation

• distillation

• chromatography

Filtration can be used to separate...

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

Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?

• Decanting

• Filtering

• Sieving

• Distillation

You had these materials together but after performing a separation technique, you have these five groups. Which separation technique did you use?

• Distillation

• Decanting

• Paper chromatography

• Sieving

Which technique is shown the diagram below

• seiving
• filtration
• decanting
• crystallization

Which one of the following is the name for separation technique in the picture below

• distillation
• dissolving
• evaporation
• decanting

An example of a mixture is 

• Water and oil
• Cereal and Milk 
• Sand and water 
• All of the above