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How Will You Differentiate Between a Suspension and a Colloid ?

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प्रश्न

How will you differentiate between a suspension and a colloid ?

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उत्तर

The particles of a suspension cannot pass through a filter paper whereas particles of colloids can easily pass through filter paper. Colloidal solutions are quite stable whereas suspensions are very unstable.

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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८०]

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लखमीर सिंग Chemistry Part 2 [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 29 | पृष्ठ ८०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Which one is a kind of matter:


Which of the following materials fall in the category of a “pure substance”?

  1. Ice
  2. Milk
  3. Iron
  4. Hydrochloric Acid
  5. Calcium oxide
  6. Mercury
  7. Brick
  8. Wood
  9. Air

How would you confirm that a colourless liquid given to your is pure water ?


On the basis of composition of matter, milk is considered to be :


A, B and C are all liquids. Liquid A has a comparatively low boiling point. On heating, liquid A vaporises completely without leaving behind any residue. Liquid A is being used increasingly as a fuel in motor vehicles either alone or by mixing with petrol. Liquid B has a very high boiling point. It also vaporises completely on heating, without leaving any residue. Liquid B is a conductor of electricity and used in making thermometers. Liquid C has a moderate boiling point. On heating, liquid C vaporises leaving behind a white solid D which is used in cooking vegetables. The condensation of vapours from C give a liquid E which turns anhydrous CuSO4 to blue.

(a) Which liquid could be an element ? Name this element.

(b) Which liquid could be a mixture ? Name this mixture.

(c) Which liquid could be a compound ? Name this compound.

(d) What could the solid D be ?

(e) What do you think is liquid E ?


Choose the correct answer.

A 5 per cent sugar solution means that :


What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?


Explain what happens when a beam of light is passed through a colloidal solution.


Name the different types of solutions. Give one example of each.


What is meant by the concentration of a solution ?


What will happen if a saturated solution is :

  1. heated
  2. cooled

Name the property of one of the constituents which can be used to separate a mixture of salt and iodine


Fill in the following blanks with suitable words :

Miscible liquids are separated by .....................


How will you separate camphor, common salt and iron nails from their mixture ?


With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.


One of the following does not undergo sublimation. This one is :


What difference in the properties of common salt and sand would enable you to separate a mixture of these two substances ?


The pressure of gases does not depend on the temperature of the gas and the volume it occupies.


Examples of foam are ______.


Give an example of a molecule.


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