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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Differentiate the General Properties of Solids, Liquids and Gases in the Form of a Table — with Reference to Density. - Chemistry

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प्रश्न

Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.

तक्ता
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उत्तर

Solids They have high density
Liquid They have less density
Gases They have least density
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पाठ 1: Matter and Its Composition - Exercise

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संबंधित प्रश्‍न

Give reason:
 Why do liquids and gases flow but solids do not ?


Write true or false for statement. Rewrite the false statement correctly.

Solids and liquids can flow.


Write whether the following statement are true or false.

 Solids have the largest inter-molecular space.


Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.


When a beam of sunlight enters a room through a window, we can see tiny particles X suspended in a gas (or rather a mixture of gases) Y which are moving rapidly in a very haphazard manner.

  1. What could particles X be ?
  2. Name the gas (or mixture of gases) Y.
  3. What is the phenomenon exhibited by particles X known as ?
  4. What is causing the movement of particles X ?
  5. What conclusion does the existence of this phenomenon give us about the nature of matter ?

Give reasons for the following:

Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.


Match the characteristics of the three states of matter in List I with their correct answer from List II.

List I List II
1. Have no definite shape, volume or free surface A: Solids only
2. Are highly compressible and least rigid B: Liquids only
3. Have a definite volume, no definite shape and are slightly diffusable C: Gases only
4. Are not compressible and have no diffusability D: Liquids and gases only
5. Have mass and occupy space E: Solids and gases only
  F: Solids, liquids and gases

Fill in the blank:

The three states of matter are classified on the basis of differences of certain _________.


Which one of the following element name is not derived from planet?


The property to flow is unique to fluids. Which one of the following statements is correct?


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