Methods of Separation of Substances
Quiz covering various separation methods including sieving, filtration, distillation, centrifugation, sublimation, evaporation, and threshing. Tests understanding of techniques used to separate mixtures and pure substances.
Questions
Which of the following is the odd one out?
- Zaru
- Spider
- Tamis
- Colander
- Shauls
Which of the following removes liquid droplets from gas streams?
- Drying
- Demister
- Deinking
- Stripping
- Elutriation
What is the process of converting a solid substance directly to the gas phase called?
- Sublimation
- Evaporation
- Condensation
- Distilation
- Crystallisation
Which of the following is not an application of centrifugation?
- For separating textiles.
- Removing fat from milk to produce skimmed milk.
- Separating different grades of plastic.
- Separation of urine components and blood components in forensic lab.
- Separation of water particles from clothes while spin drying in washing machine.
What is the process to separate two miscible liquids called?
- Centrifugation
- Filtration
- Flocculation
- Flotation
- Distillation
What is the solution containing the maximum concentration of a solute and additional solute will not dissolve in it?
- Saturated solution
- Miscible solution
- Immiscible solution
- Unsaturated solution
- Homogeneous solution
In which of the following situations is sieving used?
- Used for the separation of slightly larger sized impurities.
- Used to separate heavier and lighter components of a mixture.
- Used when components of a mixture have different sizes.
- Used to separate two immiscible liquids.
- Used to remove tiny particles from liquids.
Which of the following substances is called pure?
- Steel
- Diamond
- Air
- Soil
- Ocean water
Which of the following is a type of mixture in which the composition is uniform?
- Solute
- Homogeneous
- Solvent
- Heterogeneous
- Screen
What is the boiling point of pure water?
- 97.5 degree Celsius
- 100 degree Celsius
- 290 degree Celsius
- 300 degree Celsius
- 100.7 degree Celsius
Which of the following is/are used in electric water filters for filtering solid impurities from water?
- UV rays
- Resins
- Ceramic
- Cellulose
- Plastic
Which of the following statements is true?
- A mixture of lemon juice and water can be separated by filtration.
- Sugar can be separated from tea by the process of filtration.
- Seeds of paddy are separated from stalks by the process of winnowing.
- A mixture of ethanol and water can be separated by fractional distilation.
- Sand from water can be separated by sieving.
Which of the following is an example of heterogeneous mixture?
- Mixture of alcohol and water
- Blood
- Sand
- Wine
- Hard alcohol
Heating of iodine and camphor is the process of
- sedimentation
- sublimation
- decantation
- evaporation
- boiling
The process of separating grain from stalk is called
- ginning
- threshing
- handpicking
- winnowing
- sieving