Most Important PYQs 11/50 | Class 10 Ch-2 Science | Acid Base & Salt I Aman Sir #10th #class10 #cbse
📌Q) A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in the colour of the solution. (a) Write the name of the compound formed and its colour. (b) Write a balanced chemical equation for the reaction involved. (CBSE 2016, 2021, 2023) 🔥 CBSE MOST REPEATED QUESTION & PREVIOUS YEAR QUESTIONS (PYQs Science) | Asked in 2020, 2021, 2023, 2024 Board Exams! 🔥 In this video, we'll solve the MOST IMPORTANT balancing equation question that has been repeatedly asked in CBSE Class 10 Science Board Exams from 2020 to 2025. 🎓 Class: 10 CBSE 📖 Subject: Science (Chemistry) 🎯 Perfect for: CBSE Class 10 Board Exam 2025 preparation 1. Chemical Reactions and Equations – Covers types of reactions (combination, decomposition, etc.) and balancing chemical equations. 2. Acids, Bases and Salts – Focuses on properties of indicators, pH scales, and the preparation and uses of common salts like Baking Soda and Bleaching Powder. 3. Metals and Non-metals – Details physical and chemical properties, the reactivity series, and basic metallurgical processes. 4. Carbon and its Compounds – Explores covalent bonding, versatile nature of carbon, homologous series, and functional groups Repeated questions analysis Last-minute revision Scoring full marks in Chemistry 💯 100% ASKED IN BOARD EXAMS - Don't Miss This! 👉 Subscribe for more CBSE repeated questions series 👉 Like if you found this helpful 👉 Share with your friends preparing for boards 👉 Comment your doubts below 🔔 Turn ON notifications to never miss important videos! #cbseclass10 #chemicalequations #boardexam2025 #repeatedquestions #class10science #chemistry #balancingequations #cbseboards2025 #scienceclass10 #boardexampreparation #bhajanmarg #premanandjimaharaj #allen #chemistry #class10science #prashantkirad #chemicalreactionsandequations #pyq #pyqs #vrindavan #elctrolysis #redox #reaction #photolysis #acidbasesalt #acidbasesandsalt #acidsandbases
