Jee Neet Bitsat Ugee Mhtcet Books Mock Tests Pyqs 2023 | jee mains April attempt shift 1 shift 2 answer key

Important Increasing Order 🌱 ✔️ 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 ✔️ 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 ✔️ 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 ✔️ 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

✅PHYSICS IMPORTANT CONCEPTS PART-1✅

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✔️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

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Vectors Short Handwritten Notes

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Physics Mindmaps | Part 02

Kirchhoff's Law Handwritten Notes

Group 13 Elements (Boron Group): Includes boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Tl). Boron is a metalloid with unique properties and forms covalent compounds. Aluminum is widely used in industries due to its lightweight and corrosion-resistant nature. Gallium is a metal with a low melting point, used in semiconductors and LED technology. Group 14 Elements (Carbon Group): Includes carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead (Pb). Carbon is the basis of organic chemistry and has diverse allotropes, including diamond and graphite. Silicon is a significant component of semiconductors and plays a vital role in modern electronics. Group 15 Elements (Nitrogen Group): Includes nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). Nitrogen is essential for life and exists as diatomic molecules in the atmosphere. Phosphorus is crucial for biological processes and is used in fertilizers and detergents. Group 16 Elements (Oxygen Group/Chalcogens): Includes oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and polonium (Po). Oxygen is vital for respiration and combustion processes. Sulfur is widely used in the chemical industry and exists as elemental sulfur and various sulfide compounds. Group 17 Elements (Halogens): Includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Halogens are highly reactive nonmetals and exist as diatomic molecules in their elemental form. Chlorine is widely used as a disinfectant, and iodine is used in antiseptics. Group 18 Elements (Noble Gases): Includes helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Noble gases have full valence electron shells, making them stable and unreactive. Helium is used in balloons and as a coolant in various applications. Group 16, 17, and 18 Compounds: Students should know the preparation, properties, and uses of common compounds like sulfuric acid, hydrochloric acid, ozone, hydrogen peroxide, and ammonia. General Trends in p-Block Elements: Understanding periodic trends like atomic size, ionization energy, electronegativity, and electron affinity within the p-block elements. Important Compounds: Learn about important compounds like borax, boron trifluoride, silicones, phosphine, hydrogen halides, carbon dioxide, sulfur dioxide, etc. Allotropes and Applications: Understanding the various allotropes of carbon (diamond, graphite, fullerene) and their applications in technology.

Kinetic theory of gases notes ✨🔥