Chemistry 9 Chapter 6 MCQs Test 2

In Chemistry 9 Chapter 6 MCQs Test 2, there are 13 MCQs. We have prepared 25 multiple-choice questions, which are divided into 2 practice Tests and two Test yourself MCQs Tests. All MCQs are prepared from FBISE Book and Past Papers.

Practice
MCQs Test No 2

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117

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Class 9 Chemistry
Chapter 6
Practice
MCQs Test No 2

1 / 13

How many atoms are there in 32g of oxygen gas?

6.022 x 10²³

10

2

12.044 x 10²³

2 / 13

60% mass/volume solution of table sugar was made, the quantity of solute is _____.

40 cm³

60 cm³

60 g

40 g

3 / 13

In solutions, particles are _____.

visible to a naked eye

visible under electron microscope

invisible to a naked eye

visible under ordinary microscope

4 / 13

What is the correct definition of solubility?

The rate at which a solute dissolves into a solvent.

The ability of a solute to dissolve into a 100 g solvent.

The ability of immiscible liquid droplets to disperse within a second liquid phase.

The ability of solid particles to disperse throughout a liquid continuous phase.

5 / 13

When tiny particles of a substance are dispersed throughout the medium, then mixture is called _____.

alloy

solution

suspension

colloid

6 / 13

10 ml each of liquid A and B are mixed together. It was observed that the two liquids are completely miscible and form a solution. This mixture can
be called a _____ mixture.

heterogeneous

homogeneous

homogenous as well as heterogeneous

None of these

7 / 13

How many grams of NaOH will be needed to prepare 350 cm3 of 0.1 M solution?

10.5 g

1.4 g

6.4 g

8.5 g

8 / 13

Imagine that you have created a solution of sugar and water in science class. Your teacher has asked you to retrieve the sugar in its dry state. Which plan of action below should you choose?

Do nothing because it is impossible to retrieve the sugar.

Freeze the solution.

None of these

Let the water evaporate.

9 / 13

A solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances is called _____.

saturated solution

supersaturated solution

dilute solution

unsaturated solution

10 / 13

Which of the following solution is more dilute?

0.0009 M

0.1 M

0.01 M

0.009 M

11 / 13

Concentration of a solution is usually referred to as _____ of that solution.

density

volume

equivalent

strength

12 / 13

Which of the following best describes the particle size in colloids?

1-100,000 nm

1-100 nm

1-1000 nm

1-10,000 nm

13 / 13

Crystallization does not involve _____.

heating

sublimation

vaporization

cooling

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We have also made a test yourself MCQs Test No 2 for you so that you can prepare yourself well.

Test Yourself
MCQs Test No 2

/13

34

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Class 9 Chemistry
Chapter 6
Test Yourself
MCQs Test No 2

1 / 13

Crystallization does not involve _____.

heating

sublimation

cooling

vaporization

2 / 13

How many grams of NaOH will be needed to prepare 350 cm3 of 0.1 M solution?

8.5 g

1.4 g

6.4 g

10.5 g

3 / 13

Imagine that you have created a solution of sugar and water in science class. Your teacher has asked you to retrieve the sugar in its dry state. Which plan of action below should you choose?

Do nothing because it is impossible to retrieve the sugar.

None of these

Let the water evaporate.

Freeze the solution.

4 / 13

60% mass/volume solution of table sugar was made, the quantity of solute is _____.

60 cm³

40 g

40 cm³

60 g

5 / 13

What is the correct definition of solubility?

The rate at which a solute dissolves into a solvent.

The ability of immiscible liquid droplets to disperse within a second liquid phase.

The ability of solid particles to disperse throughout a liquid continuous phase.

The ability of a solute to dissolve into a 100 g solvent.

6 / 13

Concentration of a solution is usually referred to as _____ of that solution.

density

volume

equivalent

strength

7 / 13

When tiny particles of a substance are dispersed throughout the medium, then mixture is called _____.

solution

alloy

colloid

suspension

8 / 13

10 ml each of liquid A and B are mixed together. It was observed that the two liquids are completely miscible and form a solution. This mixture can
be called a _____ mixture.

homogeneous

heterogeneous

homogenous as well as heterogeneous

None of these

9 / 13

How many atoms are there in 32g of oxygen gas?

2

6.022 x 10²³

12.044 x 10²³

10

10 / 13

Which of the following best describes the particle size in colloids?

1-100,000 nm

1-10,000 nm

1-100 nm

1-1000 nm

11 / 13

In solutions, particles are _____.

visible under electron microscope

visible under ordinary microscope

invisible to a naked eye

visible to a naked eye

12 / 13

Which of the following solution is more dilute?

0.009 M

0.1 M

0.0009 M

0.01 M

13 / 13

A solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances is called _____.

unsaturated solution

supersaturated solution

dilute solution

saturated solution

Your score is

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