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WBBSE Class 10 Physical Science Chapter 2 Notes

WBBSE Class 10 Physical Science Chapter 2

Madhyamik Physical Science

Behavior of gases

Behavior of gas


Behavior of gas Madhyamik Physical science |

is one of the most important chapters. In our today's article, we are going to learn this chapter.

The main content of this chapter is Boyle's Law, Charle's Law, Avogadro's Law, and Kinetic Theory of gas.

But before we are going to start learning these laws we have to know the basics of this chapter.

Let us start with first know what are the things that we need to know in order to learn the chapter

They are 

  • Pressure
  • Volume
  • Temperature

Pressure:

Pressure is defined as Force per unit area.

Pressure = Force /Area

SI unit: Newton/Square Meter = Pascal


Volume:

Volume means the total capacity of the container.

SI Unit: Cubic Meter


Temperature:

SI Unit: Kelvin


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NUMERICAL PROBLEM ON BOYLE'S LAW

NUMERICAL PROBLEM ON CHARLE'S LAW


We have named this series as AUKAT TEST SERIES. This series is designed in a way so that you can check your preparation before the upcoming exam.


AUKAT TEST SERIES


Important questions for Madhyamik Physical Science - Behavior of Gas

CH 2: BEHAVIOUR OF GAS

(THERE ARE TOTAL TWO PAPERs. PLEASE SCROLL DOWN FOR PAPER 2)

Subject: Physical Science                                                FM: 25
                                                       PAPER 1                    DATE : 24.11.20

(ENGLISH VERSION)

Section A (MCQ)

1.Pressure of a gas in a vessel can be measured by
(a) barometer
(b) manometer
(c) stalagmometer
(d) all
2.What will the value of gases constant (R) in jk-1mol-1?
(a) 6.35
(b) 7.31
(c) 8.31
(c) 9.31
3.What is the mass of one-mole water?
(a) 3g
(b) 16g
(c) 36g
(d) 18g
4.The vapor density of oxygen is 6. What is the molecular weight?
(a) 8
(b) 16
(c) 32
(d) 64
5.Which temperature of representing by NTP?
(a) 0 K
(b) -273 degree Celsius
(c) 273k
(d) none of these

Section B (fill in the blank)
1.____apparatus is used to measure the pressure of the gas in a close container?
2.In comparison to dry air wet air is_____.
3.Mass of one mole of oxygen atom____g.
4.The no of molecules in one mole of the matter is_____.
5.Mass of one mole of oxygen molecules____gram.
Section C (1  marks)
1.What are the constants of Boyle's law?
2.Which instrument is used to measure atmospheric pressure?
3.What is the freezing point of water on the kelvin scale?
4.What is the effect of the motion of gas molecules on its pressure?
5.Write the relation between molecular weight and vapor density?
Section D ( 2 marks) PLEASE NOTE DO NOT ANSWER THESE QUESTIONS IN COMMENT

( ONLY PREPARE )
1.What is absolute zero temperature?
2.Write Boyle's law related to gas?
3.What is the effect of the motion of gas molecules on pressure and temperature?
4.What is the Kelvin scale of temperature?
5.What are constant in Boyles law?

(HINDI VERSION)

Section A (MCQ)
1. एक बर्तन में एक गैस की द्वारा मापा जा सकता है
(क) बैरोमीटर
(ख) दाबमापी
(ग) stalgometer
(घ) सभी
2. क्या होगा मूल्यगैसों की निरंतरता (R) में jk-1mol-1?
(a) 6.35
(b) 7.31
(c) 8.31
(c) 9.31
3. एक मोल पानी का द्रव्यमान कितना है?
(क) 3g
(ख) 16 जी
(ग) 36g
(घ) 18g
6. आणविक भार है4. वाष्प ऑक्सीजन का घनत्व है?
(a) 8
(b) 16
(c) 32
(d) 64
5. NTP का प्रतिनिधित्व करने वाला कौन सा तापमान है?
(a) 0 K
(b) -273 डिग्री सेल्सियस
(c) 273 K
(d) इनमें से कोई भी
Section B (fill in the blank)
1 .____ तंत्र का उपयोग किसी करीबी कंटेनर में गैस के दबाव को मापने के लिए किया जाता है?
2. शुष्क हवा गीली हवा की तुलना में _____ है।
3. ऑक्सीजन के एक मोल का परमाणु परमाणु।
4. द्रव्य के एक मोल में अणुओं की संख्या _____ है।
5. ऑक्सीजन के अणुओं में से एक मोल।
Section C (1  marks)
1. क्या बॉयल कानून के निरंतर हैं?
2. वायुमंडलीय दबाव को मापने के लिए किस यंत्र का उपयोग किया जाता है?
3. केल्विन स्केल में पानी का हिमांक कितना होता है?
4. इसके दबाव पर गैस के अणुओं की गति का क्या प्रभाव होता है?
5. आणविक भार और वाष्प घनत्व के बीच संबंध क्या है?

Section D ( 2 marks) PLEASE NOTE DO NOT ANSWER THESE QUESTIONS IN COMMENT

( ONLY PREPARE )

1. पूर्ण शून्य तापमान क्या है?
2.ग्राइट बॉयल का कानून गैस से संबंधित है?
3. दाब और तापमान पर गैस के अणुओं की गति का क्या प्रभाव होता है?
4. केल्विन किस तापमान का पैमाना है?
5. बॉयल्स कानून में क्या स्थिर हैं?


SOME MORE IMPORTANT QUESTIONS ON
MADHYAMIK PHYSICAL SCIENCE BEHAVIOR OF GAS

Subject: Physical Science                                                FM: 25

                                                          PAPER 2                 DATE : 25.11.20

(ENGLISH VERSION)

Section A (MCQ)

1.Which of the following is equal to 299k?

(a) 30degree Celsius

(b) 17degree Celsius

(c) 0degree Celsius

(d) all


2.At STP,2.24 l is occupied by

(a) 4.4 g CO2

(b) 7.31g CO2

(c) 8.31g CO2

(c) none of these


3.At STP, what is the volume of 32?

(a) 18g

(b) 16g

(c) 36g

(d) 18g


4.Boiling point of pure water the absolute scale is?

(a) 8k

(b) 16k

(c) -237k

(d) 64k


5.Ratio between the vapor density and the molecular weight of the gas is?

(a) 1.2

(b) 2.1

(c) 1.1

(d) none of these

Section B (fill in the blank)

1.The ____of the mole of all gases at STP become equal.

2.In comparison to dry air wet air is_____.

3.Volume of one gram molecules of all gases at STP is ____.

4.The no of molecules in one mole of the matter is_____.

5.In comparison to dry air wet air is ___.

Section C (1  marks)

1.Write down the Einstein formula of interrelation between mass and energy?

2.What is the volume of one-mole gas at STP?

3.What is the boiling point of pure water in the absolute scale of temperature?

4.What is the effect of the motion of gas molecules on its pressure?

5.What is the nature of the V-T graph in Charles law?

Section D ( 2 marks) PLEASE NOTE DO NOT ANSWER THESE QUESTIONS IN COMMENT ( ONLY PREPARE )

1.Write Charles's law related to gases .what are constant in Charles's law?

2.What are the effects of decrease and increase of temperature on the motion of gas molecules?

3.Why does the volume of a balloon not decrease according to Boyle's law. when it is pumped causing an increase in pressure?

4.Why mass of a gas is kept constant in Boyles and Charles law?

5.What is absolute zero temperature?


(HINDI VERSION)

Section A (MCQ)

1. निम्नलिखित में से क्या 299k के बराबर है?

(ए) 30 डिग्री सेल्सियस

(बी) 17 डिग्री सेल्सियस

(सी) 0 डिग्री सेल्सियस

(डी) सभी


2.At एसटीपी, 2.24 एल द्वारा कब्जा कर लिया है

(ए) 4.4 ग्राम CO2

(बी) 7.31g CO2

(सी) 8.31g CO2

(सी) इनमें से कोई नहीं।


3. एसटीपी, 32 का आयतन क्या है?

(ए) १

जी (बी) १६ जीजी

(सी)

(डी)


36३६१B जी ४. शुद्ध पानी के पूर्ण पैमाने पर बिंदु क्या है?

(a) 8k

(b) 16k

(c) -237k

(d) 64k


5. वाष्प घनत्व और गैस के आणविक भार के बीच का अनुपात है?

(ए) 1.2

(बी) 2.1

(सी) 1.1

(डी) इनमें से कोई भी


Section B (fill in the blank)

1. एसटीपी पर सभी गैसों का तिल बराबर हो जाता है।

2. शुष्क हवा गीली हवा की तुलना में _____ है।

3. एसटीपी में सभी गैसों के एक ग्राम अणुओं की मात्रा ____ है।

4. द्रव्य के एक मोल में अणुओं की संख्या _____ है।

5. शुष्क हवा की तुलना में गीली हवा ___ है।


Section C (1  marks)

1. बड़े पैमाने पर और ऊर्जा के बीच अंतर संबंध के आइंस्टीन सूत्र को नीचे लिखें?

2. एसटीपी में एक मोल गैस का आयतन कितना है?

3. तापमान के पूर्ण पैमाने पर शुद्ध पानी का क्वथनांक क्या है?

4. इसके दबाव पर गैस के अणुओं की गति का क्या प्रभाव होता है?

5. चार्ल्स कानून में वीटी ग्राफ की प्रकृति क्या है?

Section D ( 2 marks) PLEASE NOTE DO NOT ANSWER THESE QUESTIONS IN COMMENT ( ONLY PREPARE )

1. गैसों से संबंधित चार्ल्स कानून। चार्ल्स कानून में क्या निरंतर हैं?

2. गैस अणुओं की गति पर तापमान में कमी और वृद्धि के प्रभाव क्या हैं?

3. बॉयल के नियम के अनुसार गुब्बारे का आयतन क्यों नहीं घटता है। जब इसे पंप किया जाता है तो दबाव में वृद्धि होती है?

4. बॉयल और चार्ल्स कानून में गैस के द्रव्यमान को स्थिर क्यों रखा जाता है?

5. पूर्ण शून्य तापमान क्या है?



comment your answers in the below comment section

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Before you are going to give your examination please read this very carefully. these are not only mock test questions but also they are important questions for Madhyamik. So while answering these questions keep in mind that these questions will help you to prepare for your Madhyamik examination as well. I have already given your suggestion in our website www.ramadantutorial.com . You can visit there and have our suggestions as well. Prepare all these and I hope marks will be boosted.  

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MD SHAHBAJ ALAM


Comments

  1. By Tanisha Chowrasia
    Section A
    1. Manometer
    2. 8.31
    3. 18g
    4. 32
    5. None of these
    Section B
    1. Manometer
    2. Lighter
    3. 16g
    4. 6.023×10²³
    5. 32g
    Section C
    1. Mass and temperature
    2. Barometer
    3. 273 Kelvin
    4. Pressure increases due to the motion of gas molecules
    5. Molecular weight =2× vapour density

    ReplyDelete
    Replies
    1. Sorry sir for late answering because my online classes were going on.

      Delete
  2. Deepak Pandit (paper 1 ) behaviour of gas ch-2

    Section - A (MCQ)
    1 - b)manometer
    2- c)8.31
    3- d)18 g
    4. - c)32
    5- d)none of these

    Section - B ( Fill in the blank )
    1. Manometer
    2. Heavier
    3. 16 g
    4.6.022×10²³
    5. 32 gram

    Section- C
    1. Temperature and mass
    2. Barometer
    3. 272 k
    4. Directly proportional to the motion of the gas
    5 . molecular weight =2× vapour density

    Thanking you .🙏

    ReplyDelete
  3. Deepak Pandit (paper 2) behaviour of gas ch-2

    Section - A (MCQ)
    1 - 26 Celsius
    2-a) 4.4 g co2
    3- b) 16 g
    4. - d)64 k
    5- a) 1:2

    Section - B ( Fill in the blank )
    1. Volume
    2. Heavier
    3. 0.0224 l
    4.6.022×10²³
    5. Heavier

    Section- C
    1. .......
    2. 22.4 l
    3. 373 k
    4. Directly proportional to the motion of the gas
    5 . straight line

    Thanking you .🙏

    ReplyDelete

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