Matter Test 4

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Matter Test 4

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Weekly Quiz Competition

Question 1
1 / -0

What is the chemical formula of water?

A
H₂O

B
HO₂

C
2HO

D
H₂O₂

Solution

The chemical formula of water is H₂O
Question 2
1 / -0

Oxygen, nitrogen and hydrogen may be grouped together, because at room temperature they are all

A
Suspensions

B
Gases

C
Colloids

D
Solids

Solution

Oxygen, nitrogen and hydrogen are all gases.
Question 3
1 / -0

Which of the following changes is possible with the addition of heat?

A
Water vapor changes to liquid water

B
Water vapor changes to ice

C
Ice changes to liquid water

D
Liquid water changes to ice

Solution

Ice changes to liquid by the absorption of heat.
Question 4
1 / -0

What makes liquid flow?

A
In liquids, particles are tightly packed,

B
In liquids, particles are packed in a rigid pattern.

C
In liquids, particles are not tightly packed and can slide.

D
All of these

Solution

In liquids, particles can slide over each other which makes liquids flow.
Question 5
1 / -0

In which of these processes does steam change to water?

A
Evaporation

B
Melting

C
Freezing

D
Condensation

Solution

Steam condenses to form water.
Question 6
1 / -0

Which of these statements is NOTTRUE?

A
Air is not matter as we cannot see it

B
The smallest particle of an element is an atom.

C
In a solid, the molecules are close together than in a gas.

D
Matter is made up of atoms and molecules.

Solution

Air is matter. It occupies space and has weight.
Question 7
1 / -0

A Identify X, Y and Z.

A
X-gas, Y-solid, Z-liquid

B
X-liquid, Y-solid, Z-gas

C
X-gas, Y-liquid, Z-solid

D
X-solid, Y-liquid, Z-gas

Solution

X-Liquid, Y-solid and Z-gas.
Question 8
1 / -0

Directions For Questions

Read the following table.

...view full instructions

Name the solutes which are soluble in water?

A
Sand and sugar

B
Sand and salt

C
Salt and kerosene

D
Sugar and salt

Solution

Sugar and salt dissolve in water to form sugar and salt solution.
Question 9
1 / -0

Water vapor and steam are similar because they

A
have no definite shape and no definite volume.

B
Have definite shape and no definite volume.

C
Have no definite shape but definite volume

D
Has definite mass and definite volume

Solution

Water vapor and steam are the gaseous states of matter. Gases have no definite shape and no definite volume.
Question 10
1 / -0

Which of the following can be compressed?

P: steam
Q: oxygen
R: carbon dioxide

A
Only P and Q

B
Only P and R

C
Only Q and R

D
P, Q and R

Solution

Steam, oxygen and carbon dioxide are gaseous in states. Gases can be compressed.

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Matter Test 4

Result

Matter Test 4

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Question 1

H2O

HO2

2HO

H2O2

Solution

Question 2

Suspensions

Gases

Colloids

Solids

Solution

Question 3

Water vapor changes to liquid water

Water vapor changes to ice

Ice changes to liquid water

Liquid water changes to ice

Solution

Question 4

In liquids, particles are tightly packed,

In liquids, particles are packed in a rigid pattern.

In liquids, particles are not tightly packed and can slide.

All of these

Solution

Question 5

Evaporation

Melting

Freezing

Condensation

Solution

Question 6

Air is not matter as we cannot see it

The smallest particle of an element is an atom.

In a solid, the molecules are close together than in a gas.

Matter is made up of atoms and molecules.

Solution

Question 7

X-gas, Y-solid, Z-liquid

X-liquid, Y-solid, Z-gas

X-gas, Y-liquid, Z-solid

X-solid, Y-liquid, Z-gas

Solution

Question 8

Sand and sugar

Sand and salt

Salt and kerosene

Sugar and salt

Solution

Question 9

have no definite shape and no definite volume.

Have definite shape and no definite volume.

Have no definite shape but definite volume

Has definite mass and definite volume

Solution

Question 10

Only P and Q

Only P and R

Only Q and R

P, Q and R

Solution

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H₂O

HO₂

H₂O₂