Chemistry-Matter [NSO Level 1- Science Olympiad (SOF) Class 9]: Questions 5 - 8 of 50

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Question 5

Matter

Question

MCQ▾

The particles are closely packed in solids. So they have

Choices

Choice (4)Response

a.

definite shape

b.

definite volume

c.

Both a. and b. are correct

d.

None of the above

Question 6

Matter

Question

MCQ▾

The heat required to change the state of unit mass of matter is called

Choices

Choice (4)Response

a.

latent heat

b.

room temperature

c.

heat content

d.

body heat

Question 7

Matter

Question

MCQ▾

The heat required by a unit mass of substance to change from solid to liquid state without increasing the temperature is called

Choices

Choice (4)Response

a.

latent heat of freezing

b.

latent heat of vaporization

c.

latent heat of fusion

d.

latent heat of solidification

Question 8

Matter

Question

MCQ▾

Grishma is asked to fill the table correctly. She is confused. Help her to choose the correct options to fill the boxes.

Table Shows the Solid, Liquid and Gas
SolidLiquidGas
Definite shapeXY
Definite volumeDefinite volumeZ

Choices

Choice (4)Response

a.

X = definite volume, Y = definite shape, Z = definite volume

b.

X = definite shape, Y = no definite shape, Z = no definite volume

c.

X = no definite shape, Y = definite shape, Z = definite volume

d.

X = No definite shape, Y = no definite shape, Z = no definite volume

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