Category «11th Class Chemistry Notes»

Class 11 Chapter 6 – Thermodynamics

Class 11 Chapter 6: Thermodynamics System:             A system is that part of universe in which we made observations is called system. Surroundings:             All remaining part of the universe, other than system is called surroundings. Universe = System + Surroundings Types of System:             The system is classified on the basis of movement of …

Structure of Atom Class 11 MCQ

Chemistry Videos

Structure of Atom MCQ These are some of the random multiple question answers from Structure of Atom…  1. Who discovered anode rays :  Goldstein Rutherford J. Stanley J. J. Thomson Show Answer 2. Neutron was discovered by :  Rutherford Chadwick Austin  Langmuir Show Answer 3. Radioactive isotope of hydrogen has ________ number of neutrons :  0  1  2  3 Show Answer 4. Cathode rays …

Some Basic Concepts of Chemistry Class 11 MCQ

Some Basic Concepts of Chemistry Class 11 MCQ These are some of the random multiple question answers from Some Basic Concept of Chemistry… 1. If a matter has definite volume and definite shape, then it is : SolidLiquidGasAll of the Above Show Answer 2. Mole is SI unit of : CurrentTemperatureAmount of Substance Luminous intensity …

11 Class Chapter 5- States Of Matter

States Of Matter ·       Water exists in three state i.e. solid (ice), liquid (portable water), gas (steam, vapors). ·       In these three states water has different physical properties but same chemical composition i.e. H2O ·       Also characteristics of these states of water depend on the molecular energy and how molecules aggregate. ·       As molecules change …

11 Class Chapter 3- Classification of Elements and Periodicity in Properties

Classification of Elements Mendeleev periodic law  :-                                        Mendeleev explanation that properties of  the elements are periodic function of their atomic weights. Modern  periodic  law  :-                                         Moseley (1913) according to this law physical &  chemical  properties of the elements are periodic functions of their atomic numbers. s – Block elements: –                              Elements of …

Discovery of Electron

Discovery of Electron Sir J.J.Thomson and W.Crooks did many experiments with discharge tube for the discovery of electron. Discharge tube have tube like shape made from glass with two electrodes (Cathode -ve and Anode +ve) in vacuum created by vacuum pump connected to discharge tube. High electric potential is applied between two electrodes.   Discharge …

Chemistry 11th & 12th Formula in pdf

On this page you get, all Chemistry Formula list or links. You can also get our Chemistry Formulas in PDF for 11th & 12th Class Students. You get These chemistry volume formula and List below- 11th & 12th Classes Formula in PDF Below is the list of Chemical Formulas Resources 1. Chemistry formulas for Atoms, …

11 Class Chapter 2- Structure of Atom

Atomic  Theory of matter:-                                             According to this theory , atom is the ultimate particle of matter , also known as Dalton’s  Atomic theory (1808). Cathode ray discharge tube experiments: –  1.     Cathode rays start from cathode and move toward anode. 2.     These rays are not visible but there behaviour can be observed with fluorescent …

Some Notes & Terms to remember about Chemistry

Section 1 of Chemistry Notes Info. Working with the Properties & Changes of Matter Chemical- any substance that has defined composition Everything you see is made up of chemicals Even things you cannot see are made up of chemicals Some exist naturally Some are manufactured Chemical Reaction- the process by which one or more substances …