NEET | JEE MATERIAL STORE 📚

Chemistry In Everyday Life

JEE Main 2021 to 2023 - No. of Questions asked in different chapters of Physics ⚡ (1) Modern Physics Total no. Of Questions : 147* (2) Units and dimensions Total No. of Questions : 112 (3) Current electricity Total No. Of Questions : 111 (4) Kinematics Total No. of Questions : 76 (5) Moving Charge and Magnetism Total No. Of QUestions : 75 (6) Ray optics and Optical instrument Total No. Of Questions : 73 (7) Electrostatics Total No. Of Questions : 69 (8) WPE Total No. Of Questions : 67 (9) Rotational Motion Total No. OF Questions : 56 (10) Semiconductor Total No. Of Questions : 53 (11) EM Waves Total No. Of Questions : 48 (12) Capacitors Total No. Of Questions : 45 (13) Wave Optics Total No. Of Questions : 41 (14) NLM Total No. Of Questions : 39 (15) Com and Collision Total No. Of Questions : 33 (16) EMI Total No. Of Questions : 31 17) Gravitation *Total No. Of Questions : 75 *(18) Solid *Total No. Of Questions : 30 *(19) Fluid Mechanics *Total No. Of Questions : 34 *(20) SHM *Total No. Of Questions : 56 *(21) THERMAL *Total No of Questions : 19 *(22) Ktg and Thermo *Total No. Of Questions : 83 *(23) Wave Motion *Total No. Of Questions : 27 Total No. Of Questions in Physics From JEE Main 2021 to 2023 : 1445

💢 Structure of Atoms SHORT NOTES 💢

✅p-block (Group -13) The Boron Family✅ 📝HANDWRITTEN NOTES📚 🤗MUST SHARE WITH FRIENDS

Atomic Structure ✅

✅p-block (Group -13) The Boron Family✅

✅ D-Block Notes ✅

🌟Some Important Increasing Order 🌟: 🌟 1. Bond Angle : (i) CH4 , C2H4 , C2H2 (ii) H2O, NH3 , CH4 , CO2 (iii) H2O, NH3 , CH4 , BH3 (iv) NO2—, NO2 , NO2+ (v) H2Se, H2S, H2O (vi) AsH3 , PH3 , NH3 (vii) PF3 , PCl3 , PBr3 , PI3 (viii) NF3 , NCl3 (ix) NF3 , NH3 , NCl3 (x) OF2 , OH2 , Cl2O 🌟 2. Melting Point : (i) Cs, Rb, K, Na, Li (ii) Mg, Ba, Sr, Ca, Be (iii) CaI2 , CaBr2 , CaCl2 , CaF2 (iv) BeCl2 , MgCl2 , CaCl2 , SrCl2 , BaCl2 (v) NaI, NaBr, NaCl, NaF (vi) CsCl, RbCl, KCl, NaCl (vii) AlCl3 , MgCl2 , NaCl 🌟 3.Boiling Point : (i) PH3 , AsH3 , NH3 , SbH3 (ii) H2S, H2Se, H2O (iii) HCl, HBr, HI, HF (iv) NH3 , HF, H2O (v) He, Ne, Ar, Kr (vi) H2O, D2O (vii) H2 , Cl2 , Br2 🌟 4.Dipole moments : (i) CCl4 , CHCl3 , CH2Cl2 ,CH3Cl (ii) NF3 , NH3 , H2O, HF (iii) Cis-chloropropene, Trans-chloropropene (iv) p, m, o-dichlorobenzene (v) CH3I, CH3Br, CH3F, CH3Cl (vi) NH3 , SO2 , H2O, HF (vii) H2S, H2O (viii) HI, HBr, HCl, HF (ix) PH3 , ASH3 , SbH3 , NH3 (x) H2O, H2O2 ⑉⑉⑉⑉⑉⑉⑉⑉⑉⑉༄༄༄⑉⑉⑉⑉⑉⑉⑉⑉⑉⑉ 🤗MUST SHARE WITH FRIENDS 🤩

𝐀𝐂𝐓𝐈𝐕𝐈𝐓𝐘 𝐒𝐄𝐑𝐈𝐄𝐒 𝐎𝐅 𝐌𝐄𝐓𝐀𝐋𝐒 🌼🌼🌼🌼🌼Potassium>Sodium>Calcium>Magnesium>Aluminium>(Carbon)>Zinc>Iron>Tin>Lead>(Hydrogen)>Copper>Mercury>Silver>Gold>Platinum 🌼🌼🌼🌼🌼 𝑴𝑵𝑬𝑼𝑴𝑶𝑵𝑰𝑪𝑺 🐣Please Stop Calling Me A Cute Zebra I Like Her Call Smart Goat 🌼Please Stop Calling Me A Carless Zebra Instead Try Learning How Copper Miners Save Gold Pit ❤️Note that Carbon and Hydrogen are non-metals, used as a baseline.❤️ ⑉⑉⑉⑉⑉⑉⑉⑉⑉⑉༄༄༄⑉⑉⑉⑉⑉⑉⑉⑉⑉⑉ 🤗MUST READ & SHARE WITH FRIENDS🤩

✅ ENVIRONMENTAL CHEMISTRY NOTES✅

✅S BLOCK SHORT NOTES✅

✔️Important SCIENCE (CHEMISTRY ) ✅. Gases used in welding are ? – Acetylene & Oxygen ✅ Gases used by sea divers for breathing are ? – Oxygen & Helium ✅. Best sources for Vitamin D are? – Sunlight & Fish liver ✅Zinc Phosphide is used as? – Rat Poison ✅. Fuse wire is made up of – Lead and Tin ✅Purest form of Iron is? – Wrought Iron ✅ Radium is extracted from . – Pitchblende ✅ Which agent is as ‘seed’ in artificial rain? – Silver Iodide ✅. Oxides of metals are . – Alkaline ✅ During the process of ‘rusting’ , the weight of iron . –Increases ✅ (metal) is liquid at room temperature. – Mercury ✅ What is the formula of common salt – NaCl ✅. What is the maximum number of electrons that a p-orbital can hold – 6 ✅. What is used in fire extinguisher – Sodium bicarbonate ✅ What is the nature of metal oxides – Basic ✅. Which gas burns with popping sound – Hydrogen ✅ Which metal is used for galvanization – Zinc ✅. What is the nature of bleaching powder – Oxidising agent ✅ Which is stored in Kerosene – Sodium ✅ Phenolphthalein gives which color in acidic medium – Colorless ✅ Which gas is used in cigarette lighters? – Butane ✅. Biogas chiefly contains . – Methane ✅. Chemical used as fixer in Photography is . – Sodium thiosulphate ✅Aspirin is – Acetyl Salicylic Acid ✅ is also known as ‘Stranger Gas.’ – Xenon ✅ Natural rubber is a polymer derived from . – Isoprene

✅GENERAL ORGANIC CHEMISTRY 📝HANDWRITTEN NOTES📚 ⑉⑉⑉⑉⑉⑉⑉⑉⑉⑉༄༄༄⑉⑉⑉⑉⑉⑉⑉⑉⑉⑉