Physical States of Matter:

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Chemistry Ch#05, 9th Class

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1 / 39

Which one is used to measure atmospheric pressure?

Barometer

Manometer

Galvanometer

Thermometer

2 / 39

How many time hydrogen gas diffuse faster than oxygen gas?

3-Time

5-Time

4-Time

2-Time

3 / 39

Density of Iron is ___________

7.92gcm-3

7.86 gcm-3

7.90gcm-3

7gcm-3

4 / 39

Which one is used to measure pressure in the laboratory?

Manometer

Barometer

Galvanometer

Thermometer

5 / 39

Density of oxygen gas at 20°C grade is ________

1.4gdm-3

1.2gdm-3

1.3gdem-3

gdm3

6 / 39

Density of Aluminum is ______________

2.70gcm-3

2gcm-3

2.80gcm-3

2.60gcm-3

7 / 39

Evaporation is the process ___________

Endothermic

both of them

Exothermic

None

8 / 39

The S.I unit of pressure is ________

Nm3

Nm2

Nm-2

Nm-3

9 / 39

Which state of matter has fixed shape and volume?

None of these

Solid

Gas

Liquid

10 / 39

A Vehicle Tire gets punctured is the example of_______

Effusion

Diffusion

Volume

Pressure

11 / 39

Density of Gold is ______________

19.3gcm-3

9.4gcm-3

9gcm-3

9.2gcm-3

12 / 39

On what factors the boiling point depends upon

Intermolecular Forces

External Pressure

All of these

Nature of Liquid

13 / 39

Density of oxygen gas at 0°C is __________

1.1gdm-3

1.2gdm-3

1.5gdm-3

1.4gdm-3

14 / 39

Vapour pressure of liquid depends upon the factors__________

All of them

Nature of Liquids

Size of Molecule

Temperature

15 / 39

Allotropes of Oxygen are

5

2

3

4

16 / 39

Rate of Diffusion of Gaese depends upon the ___________

All of these

Shape of the gas

Size of the Gas

Molecular Mass of the Gas

17 / 39

When the pressure is increased to 8atm, the Volume of the Gas reduces

0.5dm3

0.33dm3

1dm3

0.25dm3

18 / 39

Transition Temperature of tin is _________

22°C

13.2°C

15°C

20°C

19 / 39

Blood pressure is measured by using __________

Barometer

Manometer

Thermometer

Pressure Gauge

20 / 39

French scientist J. Charles presented his Gas law in _________

1790

1787

1767

1795

21 / 39

Blood pressure is measured by using __________

Manometer

Barometer

Thermometer

Pressure Gauge

22 / 39

At 0°C the Vapour Pressure of ethyl alcohol is ___________

25mmHg

20mmHg

30mmHg

22mmHg

23 / 39

Matter in which state does not have definite shape and volume?

Gas

Liquid

All

Solid

24 / 39

Pressure is a significant property of _________

Liquid

Gas

Solid

None of these

25 / 39

How many states of matter exist?

Two

Three

One

Four

26 / 39

01 Atm is equal to

800torr

780torr

760torr

790torr

27 / 39

Which one is crystalline solid?

Sodium Chloride

Plastic

Both a and b

Diamond

28 / 39

At 0°C temperature the vapour pressure of diethyl ether is __________

400mmHg

100mmHg

200mmHg

300mmHg

29 / 39

In which factor evaporation depends

Surface Tension

All of them

Temperature

Intermolecular forces

30 / 39

Body Temperature is measured in __________

Kelvin Scale

none

Fahrenheit Scale

Celsius Scale

31 / 39

Density of Liquid is expressed in ___________

Gdm3

gcm3

gdm-3

gcm-3

32 / 39

When the pressure of 2atm is applied, the volume of the gas reduces:

1dm3

4dm3

3dm3

2dm3

33 / 39

The temperature at which two allotropic forms co-exist is called

Absolute Temperature

Normal Temperature

Standard Temperature

Transition Temperature

34 / 39

Robert Boyle studied the relationship between the volume and pressure of a gas at constant temperature in:

1660

1663

1662

1664

35 / 39

Transition Temperature of Phosphorous is ______

250°C

220°C

22°C

200°C

36 / 39

When the pressure is increased to 4atm, the volume of the gas reduces:

3dm3

0.5dm3

4dm3

1dm3

37 / 39

When the pressure is increased to 6atm, the volume of the gas reduces:

0.33dm3

0.5dm3

1dm3

2dm3

38 / 39

Density of gas is expressed in

gdm3

gdm-3

gcm-3

Kg

39 / 39

Example of amorphous solid is ____________

Rubber

Plastic

Glass

All of these

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 9th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 9 are enough. by Understanding chemistry Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists. Chemistry Notes for Class 9 chapter 5.

Chemistry class 9 pdf

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Chapter wise PDF Notes / Problems / Solution of Chemistry 9th Class

                     Chapter-01 – Fundamentals of Chemistry

                     Chapter-02 – Structure of Atoms 

                     Chapter-03 – Periodic Table and Periodicity of Properties

                     Chapter-04 – Structure of Molecules 

                     Chapter-05 – Physical States of Matter 

                     Chapter-06 – Solutions 

                     Chapter-07 – Electrochemistry 

                     Chapter-08 – Chemical Reactivity 

                     Pairing Scheme for 2021 – Chemistry 9th Class