Matter

Q.

Explain the characteristics of particles of matter

Q.

Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, cold, cold drink, the smell of perfume.

Q.

Is smell and smell of perfume matter?

Q.

What is the particulate nature of matter

Q. Question 1
What is meant by a substance?

Q. A piece of chalk can be broken into small particle on hammering, but it is not possible to break apiece of iron in the same fashion.why?

Q.

Why can't we cut through a stream of water with our fingers, when we can swim in water ?

Q. What is the difference between matter and substance?

Q.

Name the process by which a drop of ink spreads in a beaker of water :

1. Sublimation

2. Diffusion

3. Vaporization

4. Condensation

Q. Which of the following states of matter has the highest kinetic energy of the particles?

1. Solids
2. Liquids
3. Gases
4. All the states have same kinetic energy

Q.

Why is smell not a matter?

Q.

Explain why sodium chloride solution is regarded as a mixture while sodium chloride itself is a pure substance

Q.

In what ways are materials different from each other ? Is there any similarity between these materials ?

Q.

Which of the following are matter -

Chair , Air , Love , Smell , Hate , Almonds , Thought , Cold , Cold - drink , Smell of perfume.

Q.

What are the conditions for 'something' to be called 'matter'?

Q.

'Everything is matter'.Justify the statment with the help of examples.

Q. Identify the factors that determine the physical states of matter?

1. The force of attraction between particles.
2. The space between the particles.
3. The kinetic energy of particles.
4. The particles are very small.

Q.

What is the melting of ice on Kelvin scale?

Q.

Intermixing of particles of two different types of matter is called as

1. Corrosion

2. Extraction

3. Diffusion

4. Sublimation

Q.

Write a note on the molecular structure of liquids. [5 MARKS]

Q. Why one matter has different states

Q. What is difference between intermolecular space and intermolecular force?

Q. What is the difference between substance and pure substance?

Q.

When we put some crystals of potassium permanganate in a beaker containing water, we observe that after sometime, the whole water turns pink. This is due to:

1. Diffusion

2. Brownian motion

3. Melting

4. Sublimation

Q. Is there any other state of matter apart from solid, liquid, and gases?

Q.

What is common in the three states of matter ?

Q. Question 4
Arrange the following substances in increasing order of forces of attraction between the particles— water, sugar, oxygen.

Q. Is vacuum a matter?

Q.

Arrange the following substances in increasing order of forces of attraction between the particles and explain.
Water,
Sugar,
Oxygen. [ 3 MARKS ]

Q.

What is suspension? Give its three properties.