Give Reasons for the Following: Sugar Can Be Distinguished from Talcum Powder Using Water. - Chemistry

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Give reasons for the following:

Sugar can be distinguished from talcum powder using water.



Sugar is soluble in water whereas talcum powder is not.

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Chapter 3: Matter - Exercise


Selina Class 6 Selina Concise Chemistry
Chapter 3 Matter
Additional Questions for Practice | Q 11.2


Give two example of the following:

The substances which do not change their state on heating.

Define interconversion of states of matter.

State the general properties of a solid.

Write your observation and conclusion for the following:

When one of the balloons suspended to the metre scale is punctured while other remains inflated ?

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

Write whether the following statement  is true or false.
The intermolecular force of attraction is the weakest in gases.

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

Solids can be compressed easily.

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

A kind of matter which can sublinje is

  1. water
  2. plastic
  3. milk
  4. iodine

A solid is a state of matter that has

  1. no definite shape.
  2. large intermolecuiar space.
  3. high intermolecuiar force of attraction.
  4. no definite volume.

If an object is taken to the moon from the earth what will be its mass ?

Give reason Liquids can flow easily 

Name the three states of matter and define them.

Give reason  of When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.

Give an experiment to explain that there are intermolecular spaces between water molecules.

Write whether the following statement are true or false.

 Solids have the largest inter-molecular space.

The state of matter which has no definite shape or volume is called

Which single term is used to describe the mixing of copper sulphate and water kept in a beaker, on its own?

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?

A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?

Fill in the following blank with suitable words :

The smell of perfume gradually spreads across a room due to .....................

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.

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:

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 Gas and give two examples.

A glass beaker is half-filled with water and an empty glass tumbler is inverted & lowered inside the glass beaker. State your observations on tilting the tumbler below the level of the water in the glass beaker. Give a reason for your answer.

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

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?

You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.


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