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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Class 9 Chemistry
Chapter 6
Practice
MCQs Test No 2

1 / 13

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

volume

density

equivalent

strength

2 / 13

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

8.5 g

6.4 g

10.5 g

1.4 g

3 / 13

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

1-100 nm

1-1000 nm

1-10,000 nm

1-100,000 nm

4 / 13

In solutions, particles are _____.

visible to a naked eye

visible under electron microscope

invisible to a naked eye

visible under ordinary microscope

5 / 13

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

alloy

solution

colloid

suspension

6 / 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?

Let the water evaporate.

Freeze the solution.

None of these

Do nothing because it is impossible to retrieve the sugar.

7 / 13

Which of the following solution is more dilute?

0.01 M

0.0009 M

0.009 M

0.1 M

8 / 13

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

2

10

12.044 x 10²³

6.022 x 10²³

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

unsaturated solution

dilute solution

supersaturated solution

10 / 13

What is the correct definition of solubility?

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 rate at which a solute dissolves into a solvent.

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

11 / 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

homogenous as well as heterogeneous

heterogeneous

None of these

12 / 13

Crystallization does not involve _____.

cooling

sublimation

heating

vaporization

13 / 13

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

60 g

40 cm³

60 cm³

40 g

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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

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27

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Class 9 Chemistry
Chapter 6
Test Yourself
MCQs Test No 2

1 / 13

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

1-10,000 nm

1-100,000 nm

1-1000 nm

1-100 nm

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

10.5 g

6.4 g

3 / 13

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

solution

alloy

colloid

suspension

4 / 13

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

2

12.044 x 10²³

10

6.022 x 10²³

5 / 13

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

40 g

60 g

40 cm³

60 cm³

6 / 13

What is the correct definition of solubility?

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

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 solid particles to disperse throughout a liquid continuous phase.

7 / 13

In solutions, particles are _____.

invisible to a naked eye

visible under electron microscope

visible to a naked eye

visible under ordinary microscope

8 / 13

Crystallization does not involve _____.

heating

sublimation

vaporization

cooling

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

unsaturated solution

dilute solution

10 / 13

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

strength

equivalent

volume

density

11 / 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

homogenous as well as heterogeneous

homogeneous

None of these

12 / 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.

13 / 13

Which of the following solution is more dilute?

0.009 M

0.1 M

0.0009 M

0.01 M

Your score is

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0%

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