हिंदी

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

Advertisements
Advertisements

प्रश्न

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

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

स्पष्ट कीजिए
Advertisements

उत्तर

A true solution can be distinguished from a colloidal solution by observing the Tyndall effect. A true solution does not scatter a beam of light passing through it, but a colloidal solution scatters a beam of light passing through it.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८०]

APPEARS IN

लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 28 | पृष्ठ ८०

संबंधित प्रश्न

What are the two conditions for the interconversion of states of matter ?


Fill in the blank

Any matter which has a definite _______ but no definite shape is called a _______


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

Classify the following into elements, compounds and mixtures:

  1. Sodium
  2. Soil
  3. Sugar solution
  4. Silver
  5. Calcium carbonate
  6. Tin
  7. Silicon
  8. Coal
  9. Air
  10. Soap
  11. Methane
  12. Carbon dioxide
  13. Blood

Name a metal which is soft and a non-metal which is hard.


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


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


Milk of Magnesia is :


A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?


Fill in the following blanks with suitable words :

A heterogeneous mixture of liquid and solid is conveniently separated by...............


How would you separate iodine from a mixture of iodine and common salt ?


Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.


Pure copper sulphate can be obtained from an impure sample by the process of :


The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.

(a) What do you think could (i) constituent A, and (ii) liquid D be ?

(b) What could (i) constituent B, and (ii) liquid E be ?

(c) What could liquid C be ?

(d) How will you separate the mixture containing A, B and C ?


The most reactive metal is ______.


Liquids have ______.


Compressibility of solids: ______.


Define the term matter.


Define the term matter.


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×