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What is the Difference Between Solutions and Colloids ? - Science

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प्रश्न

What is the difference between solutions and colloids ?

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उत्तर

Characteristics Solution Colloid
Mixture type Homogenous mixture Heterogeneous mixture
Scattering of light It does not scatter light. It scatters the beam of light  and the effect created is called Tyndall effect.
Separation It cannot be separated by filtration or centrifugation process. It can be separated by centrifugation process.
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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८०]

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लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 22 | पृष्ठ ८०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Select the correct alternative

The molecules can move freely anywhere in

  1. gases
  2. liquids
  3. solids
  4. none of the above

Solids have definite shape and definite volume. 


Give one difference between atoms and molecules.


When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :


Name a metal which can be easily cut with a knife.


“Is malleable and ductile” best describes :


The property/properties which enable copper metal to be used for making electric wires is/are :


Which of the following is a sol ?

Shaving cream, Milk, Fog, Soap solution, Hairspray


Define solvent.


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


9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.


Describe a method to separate a mixture of camphor and sand.


Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.


The boiling point of liquid argon is :


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


Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?


What type of matter glass is?


Match the physical quantities given in column A to their S I units given in column B:

(A) (B)
(a) Pressure (i) cubic metre
(b) Temperature (ii) kilogram
(c) Density (iii) pascal
(d) Mass (iv) kelvin
(e) Volume (v) kilogram per cubic metre

Which of the following statements are true for pure substances?

(i) Pure substances contain only one kind of particles

(ii) Pure substances may be compounds or mixtures

(iii) Pure substances have the same composition throughout

(iv) Pure substances can be exemplified by all elements other than nickel


Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Name a non-metal which exists as a liquid at room temperature.


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