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

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

2 / 13

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

1-1000 nm

1-100 nm

1-10,000 nm

1-100,000 nm

3 / 13

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

12.044 x 10²³

10

6.022 x 10²³

2

4 / 13

Which of the following solution is more dilute?

0.0009 M

0.01 M

0.1 M

0.009 M

5 / 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.

Let the water evaporate.

None of these

6 / 13

In solutions, particles are _____.

invisible to a naked eye

visible under ordinary microscope

visible to a naked eye

visible under electron microscope

7 / 13

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

60 g

60 cm³

40 g

40 cm³

8 / 13

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

solution

suspension

alloy

colloid

9 / 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.

None of these

heterogeneous

homogeneous

homogenous as well as heterogeneous

10 / 13

What is the correct definition of solubility?

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

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 immiscible liquid droplets to disperse within a second liquid phase.

11 / 13

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

equivalent

density

volume

strength

12 / 13

Crystallization does not involve _____.

vaporization

heating

sublimation

cooling

13 / 13

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

1.4 g

10.5 g

8.5 g

6.4 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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Class 9 Chemistry
Chapter 6
Test Yourself
MCQs Test No 2

1 / 13

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

supersaturated solution

saturated solution

dilute solution

unsaturated solution

2 / 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.

homogenous as well as heterogeneous

None of these

heterogeneous

homogeneous

3 / 13

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

1-1000 nm

1-100,000 nm

1-100 nm

1-10,000 nm

4 / 13

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

solution

suspension

colloid

alloy

5 / 13

In solutions, particles are _____.

visible under electron microscope

visible under ordinary microscope

visible to a naked eye

invisible to a naked eye

6 / 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

7 / 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.

8 / 13

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

strength

equivalent

volume

density

9 / 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 a solute to dissolve into a 100 g solvent.

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

10 / 13

Crystallization does not involve _____.

vaporization

cooling

heating

sublimation

11 / 13

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

2

10

6.022 x 10²³

12.044 x 10²³

12 / 13

Which of the following solution is more dilute?

0.1 M

0.0009 M

0.01 M

0.009 M

13 / 13

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

60 g

40 cm³

40 g

60 cm³

Your score is

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