Some question of Class 11 Chemistry (NCERT) Chapter 1: Some Basic Concepts of Chemistry with answers topic wise are given below.. 1. Laws of Chemical Combination Q1. State the Law of Conservation of Mass.Ans: Mass can neither be created nor destroyed in a chemical reaction (Total mass of reactants = Total mass of products). Q2. … Read more
The ASSEB Class 11 Environmental Education Question Paper for 2024 has been made available here. You can download the PDF of the AHSEC HS 1st Year Environmental Education Paper from here to assist in your exam preparation. This previous year question paper for the Assam HS 1st Year pertains to the Environmental Education subject and … Read more
1. Which of the following is most reactive towards nucleophilic substitution reaction?নিউক্লিঅ’ফিলিক প্ৰতিস্থাপন বিক্ৰিয়াৰ প্ৰতি তলৰ কোনটো আটাইতকৈ বেছি বিক্ৰিয়াশীল? 2. The most reactive nucleophile among the following is তলত দিয়াবোৰৰ ভিতৰত আটাইতকৈ বিক্ৰিয়াশীল নিউক্লিঅ’ফাইলটো হ’ল 3.The main difference between C – X bond of a haloalkane and a haloarene is হেল’এলকেন আৰু হেল’এৰিনৰ C … Read more