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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6

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Class 9 Chemistry
Chapter 6
Practice
MCQs Test No 2

1 / 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

2 / 13

Which of the following solution is more dilute?

0.009 M

0.0009 M

0.1 M

0.01 M

3 / 13

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

strength

density

equivalent

volume

4 / 13

Crystallization does not involve _____.

cooling

vaporization

sublimation

heating

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?

Let the water evaporate.

Freeze the solution.

Do nothing because it is impossible to retrieve the sugar.

None of these

6 / 13

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

unsaturated solution

dilute solution

supersaturated solution

saturated solution

7 / 13

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

6.022 x 10²³

10

2

12.044 x 10²³

8 / 13

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

60 g

40 g

40 cm³

60 cm³

9 / 13

In solutions, particles are _____.

visible under ordinary microscope

invisible to a naked eye

visible under electron microscope

visible to a naked eye

10 / 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

homogeneous

heterogeneous

11 / 13

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

6.4 g

1.4 g

8.5 g

10.5 g

12 / 13

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

colloid

suspension

alloy

solution

13 / 13

What is the correct definition of solubility?

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

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 rate at which a solute dissolves into a solvent.

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

8

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Class 9 Chemistry
Chapter 6
Test Yourself
MCQs Test No 2

1 / 13

What is the correct definition of solubility?

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

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 rate at which a solute dissolves into a solvent.

2 / 13

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

1.4 g

6.4 g

8.5 g

10.5 g

3 / 13

Crystallization does not involve _____.

vaporization

cooling

heating

sublimation

4 / 13

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

6.022 x 10²³

2

10

12.044 x 10²³

5 / 13

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

1-100 nm

1-10,000 nm

1-100,000 nm

1-1000 nm

6 / 13

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

strength

volume

density

equivalent

7 / 13

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

60 cm³

40 cm³

40 g

60 g

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

None of these

heterogeneous

homogenous as well as heterogeneous

9 / 13

In solutions, particles are _____.

visible under electron microscope

visible under ordinary microscope

invisible to a naked eye

visible to a naked eye

10 / 13

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

suspension

alloy

solution

colloid

11 / 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

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

0.01 M

0.0009 M

0.1 M

Your score is

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0%

Send feedback

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