RRB Group D 2026 | RRB Group D Science Mock Test | RRB Group D Science Classes By Neeraj Mam

✅RRB Group D 2027 Rail उड़ान Foundation Batch Link :- https://adda247.go.link/GROUPDFOUNDAT... ✅RRB NTPC 2026 Undergraduate - Super 3000 Target Batch Link :- https://adda247.go.link/RRB_NTPC_SUPE... RRB Group D 2026 | RRB Group D Science Mock Test #16 | RRB Group D Science Classes | RRB Group D Science Practice Set | RRB Group D Previous Year Question Paper | Group D Practice Set | RRB Group D Syllabus 2026 | RRB Group D Science By Neeraj Mam Prepare for RRB Group D 2026 with RRB Group D Science Mock Test #16 by Neeraj Mam. This session is designed to help Railway Group D aspirants strengthen their General Science preparation through important exam-oriented MCQs, concept revision, and regular practice. In this RRB Group D Science Practice Set 2026, practice important questions from Physics, Chemistry, and Biology. Revise essential scientific concepts, test your knowledge, and improve your speed, accuracy, and confidence for the upcoming Railway Group D examination. This mock test will help you practice important topics according to the RRB Group D Syllabus 2026 and become familiar with question patterns from previous year papers. Watch the complete RRB Group D Science Class by Neeraj Mam, attempt every MCQ, and analyse your performance to identify areas that need improvement. Regular practice with RRB Group D Previous Year Question Papers, Science mock tests, and practice sets can help strengthen your exam preparation. Video Timestamps 00:00 – Session Introduction & Exam Overview 00:28 – Q1: White Phosphorus Formula (P₄) 01:39 – Q2: Alkali Metals & Electron Donation 03:08 – Q3: Catalytic Reactions & Reaction Rate 04:23 – Q4: Glass Coloring & Chromium Oxide 05:17 – Q5: Nucleus Composition (Protons & Neutrons) 06:40 – Q6: Baking Soda (Sodium Bicarbonate) Properties & Reactions 07:44 – Q7: Endothermic Reactions 09:09 – Q8: Synthetic Fibers & Lexan for Brushes 10:41 – Q9: Automobile Pollutants (Carbon Monoxide) 11:14 – Q10: PVC (Polyvinyl Chloride) 12:17 – Announcement: Upcoming Theory & Physics Classes 13:05 – Q11: Aromatic Hydrocarbons & Benzene Ring 15:15 – Q12: Chromite Ore 15:25 – Q13: Density of Water at 4°C 16:54 – Q14: Oxidation Reaction Basics 17:20 – Concepts: Detailed Breakdown of Oxidation vs. Reduction (Redox) 20:11 – Q15: Discovery of Hydrogen 21:22 – Q16: Geiger Counter & Radiation Detection 22:02 – Q17: Iron in Heme 22:21 – Q18: Properties of Alpha Particles 22:40 – Q19: Sound Waves & Longitudinal Waves 23:13 – Q20: Speed of Sound in Air at 0°C 24:15 – Q21: Wave Velocity, Frequency & Wavelength Relation 24:54 – Q22: Electromagnetic Waves & Vacuum Propagation 26:11 – Q23: Doppler Effect & Frequency Shift 26:27 – Q24: Relationship Between Frequency and Wavelength 26:46 – Q25: Wave Number Units 27:20 – Q26: Phase Difference Over One Wavelength (2π) 27:42 – Q27: Wave Characteristics (Mass vs. Waves) 28:34 – Q28: Diffraction of Waves 28:50 – Q29: Frequency and Time Period Reciprocal 29:17 – Q30: Wave Speed in Vacuum (Light Waves) 29:47 – Q31: Wave Energy Proportionality 31:17 – Q32: Medium Requirement for Sound vs. Vacuum 31:25 – Q33: Mechanical Waves (Sound) 31:32 – Q34: Frequency Invariance Across Media Boundaries 31:56 – Q35: Refraction of Waves 32:14 – Q36: Compressions and Rarefactions in Sound Waves 33:02 – Batch Enrollment & Class Schedule Wrap-Up #RRBGroupD2026 #RRBGroupD2027 #RRBGroupD #RRBGroupDScience #RRBGroupDScienceMockTest #RRBGroupDSciencePracticeSet #GroupDPracticeSet #RailwayGroupD #GroupDScience #GeneralScience #RailwayScience #ScienceByNeerajMam 📍RRB Group D Science Playlist:    • RRB Group D 2026-27 | रेल कवच | RRB Group ...   ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ✅For Admission Enquiry Call at 09958804247 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Welcome to India's Leading Railway Exams Preparation Channel Railway Adda247. Prepare for Railway Exams (RRB NTPC, RRB ALP, Group D, Technician, RPF Constable/ SI ) with Free Railway Classes. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌Check Out our Courses: ✅RRB Group D 2027 Rail उड़ान Foundation Batch Link :- https://adda247.go.link/GROUPDFOUNDAT... ✅RRB NTPC 2026 Undergraduate - Super 3000 Target Batch Link :- https://adda247.go.link/RRB_NTPC_SUPE... ✅Railways Mahapack batch link:-https://adda247.go.link/RAILWAYMAHAPACK ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌Check Out our Test Series: ✅Test Prime:- https://applink.adda247.com/d/SSCTEST... ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ✅Join Our WhatsAap Channel: https://whatsapp.com/channel/0029Vaom... ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 Railway PYP Link- https://adda247.go.link/lKzM8 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ✅ Join Our Telegram Channel:- https://t.me/adda247railway ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ --- 👨‍🏫 About Neeraj Kumawat: 🔴 Download our Adda247 App:- https://applink.adda247.com/d/NeerajK... ✅To join Neeraj Mam's Telegram : https://t.me/Science_sscadda247 #railwayadda247 #railwayadda #railwayaddalive #railwayaddaclasses #rrb