Properties of Solids

Q.

Which state of matter are rigid and tightly packed particles?

1. Fluid

2. Liquid

3. Gas

4. Solid

Q.

Why cant we compress a solid block of steel?

Q.

Give two reasons to justify: A wooden table is a solid at room temperature.

Q.

Which of the following is solid?

1. Fluorine

2. Bromine

3. Iodine

4. Chlorine

Q.

Which of the following does not take the shape of the container it is kept in?

1. Orange juice

2. eraser

3. Vinegar

4. sand

Q.

Why is it so hard to break a solid?

1. Strong force of attraction between the molecules

2. Weak force of attraction between the molecules

3. Slippery molecules

4. No force of attraction between the molecules

Q.

Is stone rigid or non-rigid?

Q.

If we hit crystal with a hammer, it will melt.

1. True

2. False

Q.

Solid has a definite shape.

1. liquid

2. syrup

Q.

What are the 2 properties of solids?

Q.

Which of the following is a solid at room temperature?

1. pear

2. light

3. honey

4. lava

Q. Which state of matter is generally rigid?

1. Liquid
2. Solid
3. Plasma
4. Gas

Q. Water can be poured into a bottle easily whereas a rock cannot as shown in the image below. Identify the reason behind this.

1. Rock is gas, water is liquid
2. Rock is solid, water is liquid
3. Rock is plasma, water is liquid
4. Rock is liquid, water is solid

Q. Which of the following has least molecular vibrations?

1. Water
2. Stone
3. Oxygen
4. Petrol

Q.

Define

(a) Compressibility

(b) Rigidity

(c) Fluidity.

Q.

Tick the most appropriate answer:

The force of attraction between the molecules is called

1. intermolecular attraction

2. molecular attraction

3. any of these

4. molecular force

Q. 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.

Q.

Inside which of the following objects, the distance between the molecules is minimum?

1. 

2. 

3. 

4. 

Q.

how will you determine the hardness of a material?

Q.

Solids can be compressed because the molecules are arranged close together.

1. True
2. False

Q. Which state of matter is incompressible?

1. Solid
2. gas
3. vapours
4. liquid