In this post, you will find the questions and answer of chapter chemistry in everyday life including NCERT questions. 1. Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor. Why? Answer: Most of drugs taken in doses higher than […]
Chapter 16 Chemistry in Everyday Life: Q&A Read More »
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
Chapter 2 Structure of Atom: Q&A Read More »
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. It is fundamental & very important that every science
The Ultimate Guide to the Periodic Table: Tricks to Remember Read More »
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 2025
Best Books for JEE 2025: Main and Advanced Read More »
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
Chapter 14 Environmental Chemistry: Q&A Read More »
In this post, you will find the questions and answers of Surface Chemistry which include NCERT exercises. 1. Write any two characteristics of Chemisorption. Answer: The characteristics of Chemisorption are: (a) In Chemisorption which is highly specific in nature the adsorbate and adsorbent get attached by chemical bonds which are either covalent or ionic in nature.
Chapter 5 Surface Chemistry: Q&A Read More »
In this post, questions and answers of class 12 chapter Solutions are provided which included NCERT questions. 1. Calculate the mass percentage of benzene (C6H6) and carbon tetrachloride (CCl4) if 22 g of benzene is dissolved in 122 g of carbon tetrachloride. Answer: Mass of solution = Mass of C6H6 + Mass of CCl4 = 22 g+122
Chapter 2 Solutions: Q&A Read More »
In this post, you will get the Solid State NCERT solutions in addition to other question answer as well. 1. Why are solids rigid? Answer: The constituent particles in solids have fixed positions and can oscillate about their mean positions. Hence, they are rigid. 2. Why do solids have definite volume? Answer: Solids keep their volume because
Chapter 1 Solid State: Q&A Read More »
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
Chapter 1 Basic Concepts of Chemistry: Q&A Read More »
This is the organic chemistry question, which is based on word problem which usually comes for 5 marks in 12th board exam. This organic chemistry question was asked in Class 12 CBSE Board All India 2013. Organic Chemistry Question Asked in Exam An organic compound (A) which has characteristic odour, on treatment with NaOH forms
Can you solve this Organic Chemistry Question? Read More »
