State in Which of the Following Examples Ie. a Piece of Wood, Water, Light Gas is the Inter-particle Attraction Maximum. - Chemistry

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State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle attraction maximum.



a piece of wood

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Chapter 1: Matter - Exercises



Give reasons for the following observation:

The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?

Fill in the blank: 

The process in which a solid directly changes into a gas is called ....................

Fill in the blank:

The temperature at which a liquid starts changing into its vapour state is ______.

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

Give reason for the following.

Pure substances have fixed melting or boiling points.

Define the following term.


Fill in the blank:

Liquids have a definite ............

For the following statement, say whether it describe a solid, a liquid or a gas.
 Particles are quite close together.

 Match the columns.

(1) iron and gold (a) molecules are very far apart
(2) melting (b) pure substance
(3) intermolecular space (c) non - metals
(4) compound (d) the space between the molecules 
(5) gases (e) change from solid to liquid 
  (f) metals


Name the phenomenon which cause the following change:

Formation of water vapour from water.

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

Give reason of A gas fills up the space available to it.

Give reason of Liquids have definite volume but no difinite shape.

Give reason

A red ink drop added to small amount of water in a glass turns water red in some time.

Fill in the blank.

Water is a matter because it has mass and occupies _______

Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?

What is the general name of :

  1. rigid form of matter ?
  2. fluid forms of matter ?

State two characteristics of matter demonstrated by diffusion.

Explain the following :

When an incense stick is lighted in the corner of a room, its fragrance spreads quickly in the entire room.

What is meant by 'diffusion'? Give one example of diffusion in gases.

In which of the following conditions, the distance between the molecules of hydrogen gas would increase?

  1. increasing pressure on hydrogen contained in a closed container
  2. some hydrogen gas leaking out of the container
  3. increasing the volume of the container of hydrogen gas
  4. adding more hydrogen gas to the container without increasing the volume of the container

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 ?

Define: diffusion

 Define: interconversion of states of matter.

What are the two conditions for the interconversion of states 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.

Give reasons for the following:

Sugar can be distinguished from talcum powder using water.

Give reasons for the following:

Water on freezing turns into ice.

Give reasons for the following:

A bottle of perfume on opening evolves an odour which can be sensed over a long distance.

Complete the statement given below by selecting the correct word.

The space between atoms in gases is maximum while in ____ is minimum,

Fill in the blank with the correct word Given below.

The space between atoms’ [molecules] of solids is ____

Define the Liquid and give two examples.

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

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

Give a reason why –

Solids have a definite volume & a definite shape.

A crystal of iodine is placed in a closed flat bottom flask and heated. State how you would conclude from the observations seen, that interparticle space is minimum in solids and maximum in gases.

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

The state of matter, where the inter-particle attraction between particles is maximum.

200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be ______.

Among the following ______ is not a mixture.

Water obtained from tube wells is usually ______ water.

Air is not compressible.

Match the following.

Property Example
Breaks easily (Brittle) Metal pan
Bends readily Rubber band
Can be stretched easily Cotton wool
Gets compressed easily Mud pot
Gets heated readily Plastic wire

Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has the only curd. What can she do to get buttermilk? Explain

In a glass containing some water, tamarind juice and sugar are added and stirred well. Is this a mixture? Can you tell why? Will this solution be sweet or sour or both sweet and sour?

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

The Cow and Birds are nonliving things.

Mention any two characteristics of the particles of matter.

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


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