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Out of a Colloid, Solution and a Suspension : Which One Has the Smallest Particles ?

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प्रश्न

Out of a colloid, solution and a suspension :

which one has the smallest particles ?

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उत्तर

Solution has the smallest particles.

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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ७९]

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लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 1.1 | पृष्ठ ७९

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

 Match the following

Column A Column B
(a) Molecules (i) Water boils
(b) 100° C (ii) Evaporation
(c) 0° C (iii) Changes from solid to gas
(d) At all temperatures (iv) Matter
(e) Camphor (v) Water freezes

Select the correct alternative

The molecules can move freely anywhere in

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

Define the term matter. What is it composed of?


Fill in the blank :

The substances which can flow are called ________


Describe in your own words, what happens to the particles when salt dissolves in water.


What is meant by saying that metals are sonorous ?


Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.


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


Which of the following are chemical changes and which physical ? Give reason.

  1. a glass bottle breaking
  2. coal burning in air
  3. making a cake
  4. wool being knitted into a sweater

What is a colloid ? Give two examples of colloids (or colloidal solutions)


Which of the following cannot be separated from air by the process of fractional distillation ?


A solid mixture contains four constituents P, Q, R and S. P consists of tiny grains and it is mixed with
cement for plastering the walls. Q is a white solid which is recovered on a large scale from sea water by the
process of evaporation. R is in the form of tiny particles of a material whose corrosion is called rusting. And
S is a white solid which is used in making ordinary dry cells.

  1. What could P, Q, R and S be ?
  2. How would you separate a mixture containing P, Q, R and S ?

Explain the meaning of the term ‘matter’.


Select the correct answer from A, B, C, D & E for the statement given below:

An atom or group of atoms _________ having a resultant charge.


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?


Complete the given analogy.

Murukku from hot oil: ______:: Coffee powder residue from decoction: ______


Justify your answer.

Figure 1 Figure 2 Figure 3

The arrangement of particles in three different phases of matter is shown above.

  1. Which state is represented by Fig. 1?
  2. In which state will the inter-particle attraction be maximum?
  3. Which one of them cannot be contained in an open vessel?
  4. Which one can take the shape of its container?

Solids do not flow.


Define the term matter.


Write scientific reason.

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


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