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

/13

1

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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?

12.044 x 10²³

10

6.022 x 10²³

2

2 / 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

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?

None of these

Let the water evaporate.

Do nothing because it is impossible to retrieve the sugar.

Freeze the solution.

4 / 13

In solutions, particles are _____.

visible under ordinary microscope

visible under electron microscope

visible to a naked eye

invisible to a naked eye

5 / 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.

6 / 13

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

volume

strength

equivalent

density

7 / 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

homogenous as well as heterogeneous

homogeneous

8 / 13

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

colloid

suspension

alloy

solution

9 / 13

Crystallization does not involve _____.

vaporization

cooling

sublimation

heating

10 / 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

11 / 13

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

40 cm³

40 g

60 cm³

60 g

12 / 13

Which of the following solution is more dilute?

0.1 M

0.0009 M

0.009 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 _____.

dilute solution

supersaturated solution

unsaturated solution

saturated solution

Your score is

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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

7

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Class 9 Chemistry
Chapter 6
Test Yourself
MCQs Test No 2

1 / 13

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

1.4 g

10.5 g

6.4 g

8.5 g

2 / 13

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

1-1000 nm

1-10,000 nm

1-100 nm

1-100,000 nm

3 / 13

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

6.022 x 10²³

2

10

12.044 x 10²³

4 / 13

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

alloy

solution

suspension

colloid

5 / 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

6 / 13

In solutions, particles are _____.

visible under ordinary microscope

invisible to a naked eye

visible to a naked eye

visible under electron microscope

7 / 13

What is the correct definition of solubility?

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 rate at which a solute dissolves into a solvent.

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

8 / 13

Crystallization does not involve _____.

heating

cooling

vaporization

sublimation

9 / 13

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

60 g

60 cm³

40 cm³

40 g

10 / 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.

Do nothing because it is impossible to retrieve the sugar.

Freeze the solution.

None of these

11 / 13

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

density

equivalent

volume

strength

12 / 13

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

supersaturated solution

unsaturated solution

dilute solution

saturated solution

13 / 13

Which of the following solution is more dilute?

0.0009 M

0.1 M

0.01 M

0.009 M

Your score is

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