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Measure the central tendency , Measure of dispersion skewness and kutosis

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AIM :- Measure the central tendency , Measure of dispersion skewness and Kurtosis

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Class- 12th Chemistry handwritten notes pdf

Work in this blog Handwritten notes Chapter wise class- 12 Lecture Videos 1) Solid State- https://youtu.be/4Yi000ruOdk 2) Solutions https://youtu.be/4Yi000ruOdk 3) Electrochemistry https://youtu.be/Ds37FN6V8ho 4) Chemical kinetics https://youtu.be/YqEhV9Fpfx0 5) Surface chemistry https://youtu.be/YqEhV9Fpfx0 6) General principle of metallurgy- https://youtu.be/FpVXAVV_FIg 7) P- Block https://youtu.be/ilWVVnznXu8 8) D and F block 8.1) https://youtu.be/pJgMfnTzKME 8.2) https://youtu.be/rT8U-6cLcjA 9) Coordination compound https://youtu.be/SZ_PXcUbFgY Organic chemistry Part- 2 10) Haloalkane and Haloarenes https://youtu.be/c82V4RPAfo8 https://youtu.be/mbGCG7py3Q4 11) Chemistry in everyday life https://youtu.be/BHF1Gs5f9jo 12) Alcohol and Phenol https://youtu.be/IJAktn2P7og 13) Aldehyde and ketone ht...

Optics!! Handmade Notes By Aniketncert 12th Class!!

Optics Notes made by aniket ncert Subscribe this channel on YouTube complete handwritten notes avilable in Made in jee Let Start This Blog Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use 1- Reflection 2- Refraction Easy chapter Note these chapter instructions Sign convention main part of optics A Short history of optics Traditionally, the subject of optics has dealt with the nature of visible light. Applications of optical principles may be traced back into antiquity, with ref- erences to the use of lenses (or water filled vessels) for magnification and burning glasses and the polishing of metal to obtain a mirrored surface. From a modern perspective, we would recognise these...

ROAD MAP CONVERSION OF ALDEHYDE

MADE IN JEE(ANSHUL AC ADEMY) - This chapter is based on basic knowledge of class-11.These chapter is important for your competitive exam i.e IIT,JEE,NDA AND NEET competitive exam.In this we study this chapter in previous class- 11 IMPORTANT TOPIC THIS CHAPTER HERE--------- NAMING REAXN- WURTZ,COUPLING,HUNDSDICKER AND ITS MECHANISM EASY CHAPTER IN 12 CLASS IN CHEMISTRY SUBJECT G.K NCERT GIVES A DAILY JEE CLASSES TO PREPARE THE COMPETITIVE EXAMS. WATCH VIDEO PHYSICS CLASSES START CHEMISTRY CLASSES START MATH CLASSES START BIOLOGY CLASSES NOT START BUT START COMING SOON "YOUR ASPIRATION,OUR INSPIRATION ...

To prepare phenyl benzoate from phenol and benzoyl chloride by Schotten Baumann reaction

Aim :- To prepare phenyl benzoate from phenol and benzoyl chloride by Schotten Baumann reaction. Apparatus & Chemical Required:- To prepare phenyl benzoate to phenol, you will need the following materials : Phenyl benzoate Water Sulfuric acid (H2SO4) Sodium hydroxide (NaOH) A round-bottomed flask A reflux condenser A heating source (such as a hot plate) Any Query Tell Me On Whatsapp Group:- https://chat.whatsapp.com/CCHsezdoaN5KJSiQnaHjXy Follow me in social media i.e- facebook,youtube & blog Facebook page Youtube Download Chemistry,Physics & Mathematics Handwritten Notes:- Website:- gkncertsolution.in Theory and principle:- Phenyl benzoate can be converted to phenol through the process of hydrolysis, which involves breaking down a compound by reacting it with water. Phenol react with an aromatic acid chloride in the presence of excess NaOH reaction at room temperature to form an ester is called as Schotten Bauman reacti...

Class- 11 Handwritten Notes Gaseous State Pdf By Aniketncert

Introduction: - In this blog we have studied the gaseous state.This topic is very important for your future classes i.e - Bsc,Msc and Btech.So these notes first part your class - 11.These notes is based upon Ncert Examination,CBSE,HPBOSE and other state boards.Any other notes download search in google gkncertsolution.in and youtube- aniketncert. Topic Provide In These Notes Postulates of kinetic molecular theory of gases. Derivation of kinetic gas equation. Gas Laws- Boyles,charge & gaylussac law. Derive gas law from kinetic molecular theory of gases Numerical related to gas law Ideal and real gas with derivation Relation between pressure & kinetic energy of gases. Interperetation of temperature. Derivation of maxwell distribution of velocity. Maxwell Boltzmann distribution law. Question about iit,jee and neet exams. Average and most probable speed. Derivation of average speed from maxwell distribution of velocity equation. Root mean square velocity. Col...

ANALYSIS OF SULPHATE IN DEODORANTS AND ANTIPERSPIRANTS

DEODORANTS AND ANTIPERSPIRANTS - A Deodorant is a substance applied to the body to prevent or mask body odour due to bacterial breakdown of perspiration in the armpits, groin, feet and other parts of the body. Antiperspirants are a subclass of deodorants. They prevent sweating typically by blocking sweat glands. Antiperspirants are used on a wider range of body parts, at any place where sweat would be inconvenient or unsafe, since unwanted sweating can interfere with comfort, vision, and grip (due to slipping). Deodorants allow sweating but prevent bacterial action on sweat, since human sweat only has a noticeable smell when it is decomposed by bacteria while the antiperspirants prevent sweating. Most of the early antiperspirants were made with aluminium salts, with aluminium sulphate and alum being most commonly employed. If scented diethylene glycol ether could be added to help incorporate the perfume into the mixture giving the final product some additional odou...

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120 Important HP Police Constable Questions by Aniket | NCERT Based | HP Police Exam 2025

🛡️ HP Police Constable 2025 – Bilingual Current Affairs (with Answers) 📚 Boards & Appointments / बोर्ड व नियुक्तियाँ हिमाचल प्रदेश स्कूल शिक्षा बोर्ड (HPBOSE) के वर्तमान अध्यक्ष कौन हैं? Who is the current Chairman of HPBOSE? a) राजीव शर्मा / Rajeev Sharma b) डॉ. विशाल शर्मा / Dr. Vishal Sharma c) मेजर जनरल अतुल कौशिक / Major General Atul Kaushik d) अजय भंडारी / Ajay Bhandari ✅ उत्तर / Answer: c) मेजर जनरल अतुल कौशिक हिमाचल प्रदेश के वर्तमान मुख्य सचिव कौन हैं? Who is the current Chief Secretary of Himachal Pradesh? a) राम सुभग सिंह / Ram Subhag Singh b) प्रभोध सक्सेना / Prabodh Saxena c) निशा सिंह / Nisha Singh d) देवेंद्र शर्मा / Devendra Sharma ✅ उत्तर / Answer: b) प्रभोध सक्सेना हिमाचल प्रदेश के DGP कौन हैं? Who is the DGP of Himachal Pradesh? a) संजय कुंडू / Sanjay Kundu b) अभिषेक त्रिवेदी / Abhishek Trivedi c) सतवंत अटल / Satwant Atwal d) सोमेश गोयल / Somesh Goyal ✅ उत्तर / Answer: a) संजय कुंडू 🏞️ Environment / पर्यावरण 2023 में बाढ़ क...

To synthesize Pentaamminechlorocobalt(III)chloride

Aim :- To synthesize Pentaamminechlorocobalt (III) chloride. Apparatus :- Flask Beaker Stirrer Dropper Steam bath Filter paper Buchner funnel, Ice cold water Measuring flask. Chemical Requirements :- Cobalt(III)chloride Ammonium chloride Hydrogen peroxide HCl, Ammonia solution Distilled water Acetone. THEORY :- This is one of the oldest known complexof cobalt. Chloropentaamminecobalt (III) chloride i sthe dichromate salt of the coordination complex [Co(NH₃)₅Cl]2+.It is purple or pink, diamagnetic and water soluble salt.The salt is prepared with a two step process starting with oxidizing a solution of cobalt chloride and ammonia. 2 CoCl2 • 6H2O + 10 NH3 + 2HCl + H2O2 → 2 [Co(NH3)5(OH2)Cl3 + 12H2O This intermediate is then heated to induce coordination of one of the outer space chloride ligand. [Co(NH3)5(OH2)]Cl3 → [Co(NH3)5Cl]Cl2 + H2O. In aqueous solution of chloropentaammine cobalt(III)chloride reforms aquapentaammine complex and with conc. S...

PREPARATION AND CHARACTERISATION OF POTASSIUM TRIS OXALATO CHROMATE(III) TRIHYDRATE

Aim :- PREPARATION AND CHARACTERISATION OF POTASSIUM TRIS OXALATO CHROMATE(III) TRIHYDRATE Apparatus :- Conical flask Watchman filter Oxalic acid Potassium dichromate Potassium oxalate monohydrate Ethanol Ice water bath. Chemical formula: - K3[Cr(C2O4)3].3H2O Reduction : - 14H++ Cr2O72-+6C2O42-+6e-→ 2Cr(C2O4)32-+7H2O Oxidation: 3C2O4 → 6CO2+6e- Overall Equation: K2Cr2O7+7H2C2O4+2 K2C2O4 → K3[Cr(C2O4)3]+6CO2+7H2O Procedure:- Mix 5g of oxalic acid in 10mL of water with potassium dichromate in a 25mL conical flask. A blue-black or dark blue mixture was formed and spontaneously warm up almost to boiling. Bubbles formation would be observed. After about 15 minutes, dissolve 2.10g of potassium oxalate monohydrate in the mixture. Heat the mixture for approx. 15 minutes. Let it cool down to room temperature. Now add 10mL of 95% ethanol and cool the mixture using ice bath for about 15-30 minutes. A dark green colore...

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