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.

equivalent

strength

volume

density

2 / 13

Crystallization does not involve _____.

cooling

sublimation

vaporization

heating

3 / 13

Which of the following solution is more dilute?

0.01 M

0.0009 M

0.1 M

0.009 M

4 / 13

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

unsaturated solution

saturated solution

supersaturated solution

dilute solution

5 / 13

In solutions, particles are _____.

visible to a naked eye

invisible to a naked eye

visible under electron microscope

visible under ordinary microscope

6 / 13

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

6.022 x 10²³

2

10

12.044 x 10²³

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?

None of these

Do nothing because it is impossible to retrieve the sugar.

Let the water evaporate.

Freeze the solution.

8 / 13

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

alloy

solution

suspension

colloid

9 / 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.

10 / 13

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

60 g

40 g

40 cm³

60 cm³

11 / 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

12 / 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

heterogeneous

homogeneous

None of these

13 / 13

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

1-1000 nm

1-100 nm

1-100,000 nm

1-10,000 nm

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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

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

40 g

40 cm³

60 g

60 cm³

2 / 13

Crystallization does not involve _____.

heating

sublimation

cooling

vaporization

3 / 13

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

suspension

colloid

solution

alloy

4 / 13

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

dilute solution

unsaturated solution

saturated solution

supersaturated solution

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 a solute to dissolve into a 100 g solvent.

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

6 / 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

7 / 13

Which of the following solution is more dilute?

0.009 M

0.0009 M

0.1 M

0.01 M

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.

None of these

homogeneous

homogenous as well as heterogeneous

heterogeneous

9 / 13

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

density

strength

equivalent

volume

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?

Freeze the solution.

Do nothing because it is impossible to retrieve the sugar.

Let the water evaporate.

None of these

11 / 13

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

6.022 x 10²³

10

2

12.044 x 10²³

12 / 13

In solutions, particles are _____.

visible under ordinary microscope

invisible to a naked eye

visible under electron microscope

visible to a naked eye

13 / 13

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

8.5 g

10.5 g

1.4 g

6.4 g

Your score is

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0%

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