General Science : Chemistry In One Shot (Part-1) | For WBCS Prelims 2023 | WBPSC Wallah | In Bengali
Batch Link (Free PDF Of Class Notes) - physicswallah.onelink.me/ZAZB...
Topic : General Science : Chemistry In One Shot (Part -1) | For WBCS Prelims 2023 | WBPSC Wallah | In Bengali
Welcome to our comprehensive guide for WBCS (West Bengal Civil Service) Exam Chemistry Preparation! In this video, we delve into five important topics: States of Matter, Atomic Structure, Radioactivity, Acid-Base & Salt, and Periodic Table. Mastering these subjects is crucial for success in the WBCS examination, and this video aims to provide you with a clear understanding of each topic.
States of Matter:
Understanding the different states of matter is essential in chemistry. In this section, we cover the properties, characteristics, and behavior of solids, liquids, and gases. Explore concepts such as intermolecular forces, phase transitions, and the relationship between pressure, temperature, and volume. Learn about critical points, supercritical fluids, and phase diagrams.
Atomic Structure:
The atomic structure forms the foundation of chemistry. We dive into the structure of atoms, including subatomic particles such as protons, neutrons, and electrons. Discover the arrangement of electrons in shells and energy levels, and understand the significance of atomic number, mass number, isotopes, and electronic configurations. We also discuss the periodic table's relation to atomic structure.
Radioactivity:
Radioactivity is a fascinating topic with wide-ranging applications. In this segment, we explore the types of radioactive decay, including alpha, beta, and gamma decay. Learn about radioactive half-life, decay equations, and the concept of nuclear stability. Understand the uses and hazards of radioisotopes and their impact on health and the environment.
Acid-Base & Salt:
Acids, bases, and salts are fundamental concepts in chemistry. We explain the theories of acids and bases, including Arrhenius, Bronsted-Lowry, and Lewis definitions. Understand pH, pOH, indicators, neutralization reactions, and titrations. Explore the properties and uses of common salts, including their role in chemical reactions and everyday life.
Periodic Table:
The periodic table is a crucial tool for understanding the elements. We delve into the organization of the periodic table, including periods, groups, and blocks. Learn about trends in atomic size, ionization energy, electronegativity, and chemical reactivity. Understand the significance of valence electrons, periodicity, and the periodic law.
By watching this video, you will acquire a comprehensive knowledge base on States of Matter, Atomic Structure, Radioactivity, Acid-Base & Salt, and the Periodic Table, equipping you with the necessary tools to excel in the WBCS Exam Chemistry section. Our engaging explanations, examples, and visual aids will help you grasp complex concepts easily and reinforce your understanding.
Join our channel for more valuable content and stay tuned for upcoming videos covering other relevant topics to ace the WBCS Exam.
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Time Stamps -
0:00 Introduction
3:50 States of Matter
42:18 Atomic Structure
1:16:31 Radioactivity
2:01:41 Acid - Base & Salt
2:49:10 Periodic Table
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Batch Link 👉🏻 physicswallah.onelink.me/ZAZB/hw5s3prj For Any Other Update (Including Class Notes) Join WBPSC Wallah Official Telegram Channel 👉🏻 t.me/WbpscWallah WBPSC Wallah Official Instagram 👉🏻 instagram.com/wbpscwallah?igshid=NGExMmI2YTkyZg==
Ei class tar pdf ta again upload kore din telegram channel e
Good to see to Sir. I am a huge fan of your teaching.
One of the best teacher for physics and chemistry ❤. thank you sir ♥️🙏
Ato valo bangali class Sotyi dekhini. Continue krben Sir. Please.... ❤
darun slides & presentation.. thank u sir..
Thank you sir 🙏 very nice session ❤.
OSADHARON CLASS .... THANK YOU SO MUCH SIR....
Darun lagche
Onak sundar class, God bless you sir
Excellent class sir🙏❤️
যেহেতু এগুলো রেকর্ডেড ক্লাস তাই ক্লাস গুলোর মাঝে পড়া বোঝানোর মধ্যে কিছু কিছু অংশ আপনারা কেটে দেন 20:06 এমনটা করলে আমাদের তো বুঝতে অসুবিধা হচ্ছে
thank you sir.
Thank you Sir
Khub bhalo laglo sir😊
Thank you sir ❤❤❤
Khub valo
Thank you so much sir 🙏
Thank you so much sir
The fundamental particle that does not change the chemical property of the particle is neutron
nitrogen is not used for breathing although it is found in 78 percent in the highest amount in the atmosphere because it is an inert gas.
Naphthalene is an organic compound sir.formula-C10H8.
❤
Sir History and Geography holeuu vlo hoto.....
Dada tumi Khub valo porao....keep it up.. Pdf ta pele khub valo hoto...
Thanks for proving pdf in English
Thanks 🎉❤sir
Neutron is the Chargeless and unchanged particles
Amar ka6e Science er Sobtheke Best Teacher Apni ❤❤❤
Naphthalene : C10H8 Organic
Nice
Naphthalene is an Organic compound.
One of the best science teacher ❤
Sir chemistry 1st oneshot video r notes ta jodi provide korten khub bhalo hoto
Nitrogen gas does not get bind with blood because it does not have Nitrogen binding protein complex to binding Nitrogen. Human have unable to inhale Nitrogen because it is an inert gas and consists of triple bond which is unreactive Nitrogen is unable to break after breathing.
Sir , make chapter wise video
Sir please ei class er PDF ta telegram channel e upload kore deben sir 🙏
Nitrogen is found in 78 percent in the highest amount in the atmosphere.
Formula of Naphthalene: C₁₀H₈
Sirrrr chemistry main optional er jonno class start korbenn plzzz
আমাদের বায়োলজিও চায়। 🥰🤗
@souravsaha2940
10 ай бұрын
tor too sob চাই 😊
Sir chemical bonding and baki jei extra part royeche ota theke ektu poriye din pls
20:26 Good
Nitrogen ,৭৮%
Sir physics and chemistry r pdf ta kothay pabo?
Nitrogen
Kono shell/ orbit r ki highest / maximum capacity bolle kichu nei?? n= 6 hole ki 72 electron thakte parbe?? Ami toh jani kono shell 32 r besi electron thakte pare naa...
@Suvojitsirscience10
11 ай бұрын
Atomic Model একটা Completely Quantum Mechanical Problem ... Classical Physics এর সাথে এর Theory এর ক্ষেত্রে Applicable নয়। Content এ যেটা বলা আছে , সেটা in general pattern ... Even এটাও বলা আছে যে , n ( integer no ) = 4 পর্যন্তই existence পাওয়া গেছে , বা আমাদের প্রতিযোগিতামূলক পরীক্ষার ক্ষেত্রেও ওটাই আসে শুধু। কিন্তু কিন্তু , আপনি একটু পড়াশোনা করলেই জানতে পারবেন Quantum Mechanical Model ( 1924 ) অনুযায়ী g এবং h subshell er existence আছে বলে Predict করা গেছে। যেখানে যথাক্রমে 18 ও 22 টি করে ইলেকট্রন থাকবে। সেক্ষেত্রে একই প্যাটার্ন অনুযায়ী 5th , 6th ও 7th Subshell এ 50 , 72 এবং 98 টি করে ইলেকট্রন থাকবে। এখনো পর্যন্ত পর্যায় সরণিতে 118 ( Og ) টি মৌল আবিষ্কার হয়েছে। তাই In Practical g বা h subshell এর Exsitence খুঁজে পাওয়া যায়নি। কিন্তু 126 তম মৌল আবিষ্কার হলে তার Electronic Configuration করতে গেলে g Subshell প্রয়োজন পড়বে। তবে কিছু মৌলের ক্ষেত্রে ground state e f orbital এ ইলেকট্রন থাকলেও , 1st exited state e g orbital এ Electronic transition হয়। যেমন , • Element 126: [Og] 8s2 8p1 6f4 5g¹ element 127: [Og] 8s2 8p2 6f3 5g2 element 128: [Og] 8s2 8p2 6f3 5g3 element 129: [Og] 8s2 8p2 6f3 5g4 element 130: [Og] 8s2 8p2 6f3 5g5 element 131: [Og] 8s2 8p2 6f3 5g6 কিন্তু সবটাই Quantum mechanical Model এর Hypothesis.. & Content এ যেটা দেখানো হয়েছে , সেটা In general pattern.. WBCS পরীক্ষার ক্ষেত্রে এতটা দরকার হয়না বলে বলা হয়নি। এবং কোনটুকু পড়তে হবে , সেটাও মার্কিং করে দেখানো আছে , এবং বলাও আছে। আশা করি ওরা বুঝতে পারবে। ধন্যবাদ।
Neutron change less particle
@chayanbiswas6017
11 ай бұрын
Charge*
Alfred Werner got the Nobel Prize in 1913.
Pdf koy
Neutron sir ans
Sir hater lekha ekto bodo koren bojhte problem hochhe plz sir 🙏🙏🙏🙏🙏🙏
H2
Neutron
1913 albart eistain relative theory r jonno Nobel pan
Neutron er kono charge nai
Sir paid course kobe asbe??????? Please bolen
@karimaarkar4985
Жыл бұрын
Sir grow science a paid batch korai
Robindranath thakur
You are wrong sir Mercury is fluid....
Science er class er content Bangla i chai amdr
@koyelbiswas1807
9 ай бұрын
Oituku English to porai jai
@sobaikamarpronam5878
9 ай бұрын
Bhag gadha maal
@nurmarzina6611
8 ай бұрын
Mains ye ki korba???
@letsview2609
7 ай бұрын
Banglar cheye english sohoj ok
@nazimmondal793
7 ай бұрын
This class is for WBCS aspirants not for you.
because nitrogen haemoglobin er sathe react kore na.. nitrogen nije akta unreactive gas. anm gnm er jonno apnar physics & chems 2to shot sufficient hobe toh sir??? thank you sir & wpsc wallah
@growscience5910
Жыл бұрын
More than enough ...
এই ক্লাসের pdf টা টেলিগ্রামে পাচ্ছি না কেন ? 😢 @WBPSC WALLAH এই pdf টা কি টেলিগ্রামে দেওয়া আছে ?
@JANERICHHA
7 ай бұрын
Physicwala aap a ase
Neutron