Question

I. Answer the following from given options:

Melting , sublimation, liquid, funnel, gaseous

1. The state of matter which has a definite mass and volume but no definite shape.

2. The state of matter in which the force of attraction between the particles is minimum.

3. The term used for change of the state matter from solid to liquid state.

4. The term used for change of matter from solid directly to gaseous state.

5. A glass apparatus used for filtration.

II. State whether the statement are true or false. If false write the correct statement:

1. Matter occupies space and can be created or destroyed.

2. The substances that can flow are called liquid.

3. The molecules are made up of atoms.

4. Gases are very slightly compressible.

5. The particles of matter in the solid state move about freely.

III. Fill in the blanks :

1. Matter has mass and can be perceived by __________[odour/our senses].

2. Particles of solid do not diffuse with other particles while that of a ______[liquid/gas] diffuse

rapidly with other particles.

3. Particles of matter attract one another with________ [a force/ pressure].

4. A liquid changes to solid at its_________[ freezing/ liquefaction] point.

5. _____________ [Lead chloride/ammonium chloride] crystal sublime on heating.

IV. The state of matter that has:

a. Greatest intermolecular space.

b. Greatest intermolecular force of attraction.

c. Least intermolecular space.

d. Fixed volume but not fixed shape.

e. Which can flow?

V. Pick the odd one out. Give scientific reasons for your answer:

1. Table, cloth, spoon, water.

2. Milk, water, petrol, air.

3. Carbon dioxide, oxygen, nitrogen, LPG.

4. Solid, liquid, vacuum, gas.

5. Water, wood, sound, air.​

Answer 1

Answer:

Ans A)1. LIQUID

2. gaseous

3. melting

4. sublimation

5. funnel

AnsB)

1. our senses

2. gas

3. force

4. freezing point

5. ammonium chloride

AnsC) 1gas

2solid

3solid

4. liquid

5. liquid

AnsD) 1. water

2. Air

3. LPG

4. vaccum

5sound

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Answer 2

A-

1. Liquid
2. Gaseous
3. Melting
4. Sublimation
5. Funnel

B-

1. True
2. True
3. True
4. False
5. False

C-

1. Odour
2. Gas
3. Force
4. Freezing
5. Ammonium chloride

D-

1. Gaseous
2. Solids
3. Solids
4. Liquids
5. Gaseous

E-

1. water- It was different from Al because they all are a thing but it was a matter.
2. Air- Because air was a gas but rest three are type of liquid.
3. LPG- LPG was a type of housegas it used in kitchen for making food but rest are our atmospheric gases.
4. Vaccum- It because all rest three are types of matter but this one is not.
5. Sound- Because water, wood and air are the example of matter but sound is not.

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