मराठी

(A) Salt Solution (B) Starch Solution (C) Milk (D) Copper Sulphate Solution

Advertisements
Advertisements

प्रश्न

Which of the following will show Tyndall effect ? Why ?

  1. Salt solution
  2. Starch solution
  3. Milk
  4. Copper sulphate solution
टीपा लिहा
Advertisements

उत्तर

Starch solution and milk will show Tyndall effect.

This is because in a milk solution and starch solution (colloidal solutions) the size of solute particles is big enough to scatter the light passing through it.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८०]

APPEARS IN

लखमीर सिंह Chemistry Part 2 [English] Class 9
पाठ 2 Is Matter Around Us Pure
Very Short Answers | Q 31 | पृष्ठ ८०

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

The inter-molecular force is maximum in


Name the terms for the particles of matter which may or may not have independent existence.


 Name the terms for the change of vapour into a liquid.


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

Give reason why graphite is used for making elecrode in a dry cell.


Name a metal which is yellow in colour.


What are (i) metals (ii) non-metals, and (iii) metalloids ? Give two examples each of metals, non-metals and metalloids.


A solution contains 5.6 mL of alcohol mixed with 75 mL of water. Calculate the concentration of this solution.


What happens when the temperature of a saturated sugar solution is increased ?


What will happen if a saturated solution is :

  1. heated
  2. cooled

Milk of Magnesia is :


What difference in the property of two miscible liquids enables their separation by fractional distillation ?


Name the process which can be used to recover salt from an aqueous salt solution.


Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.


How is water purified on a large scale at water works ? Explain with the help of a labelled diagram. Name the substance which is added to kill germs in the drinking water supply ?


Naphthalene can be separated from sand :


Which one of the following scrap metal cannot be separated by magnetic separation ?


Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?


Diffentiate between absorption and adsorption.


Give some examples of the Tyndall effect observed in your surroundings?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×