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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67

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Class 9 Chemistry
Chapter 6
Practice
MCQs Test No 2

1 / 13

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

10.5 g

6.4 g

1.4 g

8.5 g

2 / 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

saturated solution

dilute solution

3 / 13

In solutions, particles are _____.

visible to a naked eye

invisible to a naked eye

visible under electron microscope

visible under ordinary microscope

4 / 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

None of these

homogenous as well as heterogeneous

homogeneous

5 / 13

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

60 g

60 cm³

40 cm³

40 g

6 / 13

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

suspension

solution

alloy

colloid

7 / 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

8 / 13

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

strength

density

volume

equivalent

9 / 13

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

10

6.022 x 10²³

12.044 x 10²³

2

10 / 13

Crystallization does not involve _____.

heating

sublimation

cooling

vaporization

11 / 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.

Freeze the solution.

Do nothing because it is impossible to retrieve the sugar.

12 / 13

Which of the following solution is more dilute?

0.01 M

0.0009 M

0.009 M

0.1 M

13 / 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.

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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

26

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Class 9 Chemistry
Chapter 6
Test Yourself
MCQs Test No 2

1 / 13

In solutions, particles are _____.

invisible to a naked eye

visible under ordinary microscope

visible to a naked eye

visible under electron microscope

2 / 13

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

1-100 nm

1-1000 nm

1-100,000 nm

1-10,000 nm

3 / 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

4 / 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

5 / 13

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

40 g

40 cm³

60 g

60 cm³

6 / 13

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

solution

colloid

alloy

suspension

7 / 13

Crystallization does not involve _____.

heating

cooling

vaporization

sublimation

8 / 13

What is the correct definition of solubility?

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.

The rate at which a solute dissolves into a solvent.

9 / 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.

Let the water evaporate.

None of these

Do nothing because it is impossible to retrieve the sugar.

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.

homogeneous

homogenous as well as heterogeneous

heterogeneous

None of these

11 / 13

Which of the following solution is more dilute?

0.1 M

0.01 M

0.0009 M

0.009 M

12 / 13

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

volume

equivalent

density

strength

13 / 13

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

6.022 x 10²³

10

2

12.044 x 10²³

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