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

Which of the following solution is more dilute?

0.009 M

0.0009 M

0.01 M

0.1 M

2 / 13

In solutions, particles are _____.

visible under electron microscope

visible to a naked eye

invisible to a naked eye

visible under ordinary microscope

3 / 13

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

10.5 g

8.5 g

1.4 g

6.4 g

4 / 13

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

60 g

40 g

40 cm³

60 cm³

5 / 13

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

equivalent

strength

volume

density

6 / 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

7 / 13

Crystallization does not involve _____.

heating

cooling

sublimation

vaporization

8 / 13

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

colloid

suspension

solution

alloy

9 / 13

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

2

10

12.044 x 10²³

6.022 x 10²³

10 / 13

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

supersaturated solution

dilute solution

saturated solution

unsaturated solution

11 / 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

heterogeneous

None of these

homogenous as well as heterogeneous

12 / 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.

13 / 13

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

1-100,000 nm

1-100 nm

1-10,000 nm

1-1000 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

Crystallization does not involve _____.

heating

sublimation

vaporization

cooling

2 / 13

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

10

6.022 x 10²³

12.044 x 10²³

2

3 / 13

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

colloid

solution

suspension

alloy

4 / 13

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

40 cm³

40 g

60 g

60 cm³

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 solid particles to disperse throughout a liquid continuous phase.

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

6 / 13

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

1-10,000 nm

1-100 nm

1-100,000 nm

1-1000 nm

7 / 13

Which of the following solution is more dilute?

0.0009 M

0.1 M

0.009 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

homogenous as well as heterogeneous

heterogeneous

homogeneous

9 / 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

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.

None of these

Let the water evaporate.

Do nothing because it is impossible to retrieve the sugar.

11 / 13

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

density

volume

equivalent

strength

12 / 13

In solutions, particles are _____.

invisible to a naked eye

visible to a naked eye

visible under electron microscope

visible under ordinary microscope

13 / 13

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

8.5 g

1.4 g

6.4 g

10.5 g

Your score is

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