Tamil Nadu Board of Secondary EducationSSLC (English Medium) (5 to 8) Class 5

Solids are compressible. - Science

True or False

Solids are compressible.


  • True

  • False



This statement is False.

  Is there an error in this question or solution?


'A substance has a definite shape as well as a definite volume'. Which physical state is represented by this statement?

Explain why, the diffusion of a solid in another solid is a very slow process.

State two characteristic properties of a solid.

How do solids, liquids and gases differ in shape and volume?

Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first) : Water, Sugar, Oxygen

Give two reasons to justify that An iron almirah is a  solid.

Compare the properties of solids, liquids and gases in tabular form.

Classify the following into solids, liquids and gases.

Oxygen, milk, common salt, wax, stone, L.P.G, carbon- dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.

Give reasons

 The odour of scent spreads in a room.

Give reasons

We can walk through air

Write whether the following statement is true or false:

If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely

Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.

State the main physical properties of matter.

Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:

(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles

Describe simple experiments to prove that gases occupy space.

Describe simple experiments to prove that gases have mass.

State if the following is a physical property of a substance.

Chlorine gas has a – strong irritating odor.

See the given pictures and write down the state of each object. (Solid, Liquid, Gas)

_____ ______ ______ ______ ______
______ _______ ______ ______ ______

Write the states of water.

Which of the following are the states of matter?

Which of the following is a solid?

______ soil is suitable for growing cotton.

Discuss briefly on three states of matter.

Filtration method is effective in separating ______ mixture.

Strainer is a kind of sieve which is used to separate a liquid from solid.

Complete the given analogy.

Large Inter-particle space: Gas:: ______ :solid.

Complete the given analogy.

Solid: Definite shape:: ______: Shape of the vessel.

Identify the state of matter based on the arrangement of the molecules.

What is the physical state of water at-


Complete the Analogy:

Solids: incompressible:: Gas: ______.

Choose the odd one:

Intermolecular forces of attractions are maximum in ______.

______ has definite shape and volume.

Gases have neither a definite shape nor a definite volume.

Define the term ‘Diffusion’.

Which of the following are homogeneous in nature?

  1. ice
  2. wood
  3. soil
  4. Air

Give two examples of diffusion.

What is the physical state of water at:


What is the physical state of water at:


A strong current of trivalent gaseous boron passed through a silicon crystal decreases the density of the crystal due to part replacement of silicon by boron and due to interstitial vacancies created by missing Si atoms. In one such experiment, one gram of silicon is taken and the boron atoms are found to be 1000 ppm by weight, when the density of the Si crystal decreases by 12%. The percentage of missing vacancies due to silicon, which are filled up by boron atoms will be ____ g. [Given · Atomic wt. Si= 30, B = 11]

The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.

[Take : NA = 6 × 1023, Atomic mass of Ar = 40]

The composition of a sample of wustite is Fe0.93O1.0· The iron is present in the form of Fe(III) is ______%.


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