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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

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

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प्रश्न

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

सारिणी
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उत्तर

Solids They have a definite shape
Liquid They have no shape
Gases They have no shape
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अध्याय 1: Matter and Its Composition - Exercise

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विराफ जे दलाल Simplified Middle School Chemistry [English] Class 7 ICSE
अध्याय 1 Matter and Its Composition
Exercise | Q 6.4

संबंधित प्रश्न

Give reasons:
Liquids can flow 


Why can a piece of chalk be broken easily into smaller pieces while a coal piece cannot be broken easily?


How a liquid changes into its gaseous state ? Explain ?


If an object weighs 6 kg on earth. What will be its weight on moon ?


Fill in the blank 

Matter is anything that has ______ and occupies ______


Write whether the following statement are true or false.

The intermolecular force of attraction is the weakest in gases.


Which one of the following statements is not true?

  1. the molecules in a solid vibrate about a fixed position
  2. the molecules in a liquid are arranged in a regular pattern
  3. the molecules in a gas exert negligibly small forces on each other, except during collisions
  4. the molecules of a gas occupy all the space available

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 ?

On what basis are the three states classified of matter.


A measuring cylinder is filled with water to a particular mark. A piece of solid is immersed inside the measuring cylinder. State why the level of water in the measuring cylinder will rise up. If the solid is removed, what will be the new level of the water in the measuring cylinder? Give a reason for your answer.


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