मराठी

How Will You Test Whether a Given Solution is a Colloidal Solution ? - Science

Advertisements
Advertisements

प्रश्न

How will you test whether a given solution is a colloidal solution ?

टीपा लिहा

उत्तर

  1. The given solution is kept in a beaker.
  2. A strong beam of light is then passed through the solution in the beaker, which is kept in a dark room.
  3. If the path of light beam is illuminated and becomes visible, it confirms that the given solution is a colloid.
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 [English] Class 9
पाठ 2 Is Matter Around Us Pure
Very Short Answers | Q 26 | पृष्ठ ८०

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

What do you mean by the inter-molecular spaces? How do they vary in different states of matter?


When extremely small particles X derived from the anther of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig-zag way. It was also observed that warmer the liquid Y, faster the particles X moved on its surface.

  1. What could particles X be ?
  2. What do you think liquid Y is ?
  3. What is the zig-zag movement of X known as ?
  4. What is causing the zig-zag movement of particles X ?
  5. Name the scientist who discovered this phenomenon.
  6. What does this experiment tell us about the nature of liquid Y?

Fill in the following blanks with suitable words :

An element is made up of only one kind of ........


Fill in the following blanks with suitable words :

The elements which are sonorous are called ..........................


What is the other name for impure substances ? Give two examples of impure substances.


Which of the following substances are elements ?

Water, Salt, Mercury, Iron, Marble, Diamond, Wood, Nitrogen, Air, Graphite, Hydrogen, Oxygen, Sugar, Chlorine


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


Which one of the following is not a metalloid ?


Define the Emulsion Give one example.


Name the process you would use to separate a mixture of water and alcohol.


Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?


Describe a method to separate a mixture of common salt and sand.


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


Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.


Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.

  1. What could X be ?
  2. What could Y be ?
  3. Name the process Z.
  4. Which process would you use to recover both the components X and Y from tincture of iodine ?
  5. Which process can be used to recover only component Y from tincture of iodine ?

What type of matter glass is?


Atoms or groups of atoms having a charge are called ______.


Write a scientific reason.

Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.


Write a scientific reason.

Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×