In this post, you will find the questions and answers of chapter Structure of atom which included NCERT exercise also. 1. (i) Calculate the number of electrons which will together weigh one gram.(ii) Calculate the mass and charge of one mole of electrons. Answer: (i) Mass of an electron = 9.1 × 10-28 g 9.1 × 10-28 g […]
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Are you preparing for IIT-JEE or NEET? If yes, then it becomes your necessity to remember periodic table. When we talk about Chemistry, then we never forget to discuss about the periodic table. We even try to find among friends, who knows the complete periodic table. The periodic table is fundamental & very important that
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Are you JEE aspirant? Are you looking best books for JEE 2025 (Main and Advanced)? If your answer is YES! You’re at the right place. To prepare well for the exam, having the right books in hand is a boon. You will get a brief idea of best books required to crack the JEE 2024
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In this post you will find Environmental Chemistry question and answer, including NCERT questions. 1. Define environmental chemistry? Answer: Environmental Chemistry is the branch of science which deals with the chemical changes in the environment. It includes our surroundings such as air, water, soil, forest etc. 2. Explain the tropospheric pollution in 100 words? Answer: Tropospheric pollution
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In this post, you will get the Some basic concepts of chemistry NCERT solutions in addition to other question answer as well. 1. Calculate the molecular mass of the following: (i) H2O (ii) CO2 (iii) CH4 Answer: (i) H2O:The molecular mass of water = (2 x Atomic mass of hydrogen) + (1 x Atomic mass
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