हिंदी

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

Advertisements
Advertisements

प्रश्न

Which of the following will show Tyndall effect ? Why ?

  1. Salt solution
  2. Starch solution
  3. Milk
  4. Copper sulphate solution
टिप्पणी लिखिए

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
  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 31 | पृष्ठ ८०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Liquids have definite volume but do not have definite shape.


All kinds of matter


Honey is more viscous than water. Can you suggest why?


Name a liquid which can be classified as a pure substance and conducts electricity.


What are the two types of pure substances? Give one example of each type.


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


Define a compound. Give two points of evidence to show that sodium chloride is a compound.


What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?


What is a suspension ? Give two examples of suspensions.


One of the following liquids will leave behind a residue on heating. This one is :


Name the source from which nitrogen and oxygen are obtained on a large scale.


Name the process which can be used to purify an impure sample of copper sulphate.


Name the process by which all the dye can be recovered from black ink.


How can you obtain pure water from a salt-water mixture (or salt-solution) ? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from a salt-water mixture (or salt-solution).


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


Explain how, nitrogen , oxygen and argon gases are separated from air.


The most reactive metal is ______.


Gases change to liquid by the process of ______.


The fluidity of solids: ______.


Give an example of liquid in gas.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×