UPSC: PIB Summary and Analysis Jan 20
States pledge to galvanise behaviour change efforts to ensure ODF India in 2019 Context: The Ministry of Drinking... View Article
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Lithium
Lithium (Li) Lithium symbol Li Lithium atomic number 3 Lithium atomic mass 6.941 Discovered by Johan August Arfvedson (1792-1841) Table... View Article
Lanthanum
Lanthanum Symbol La Atomic Number 57 Atomic Mass 138.91 g.mol -1 Discovered by Carl Gustav Mosander in 1839 Table of... View Article
Empirical Formula & Molecular Formula
Initially, chemical formulas were obtained by determination of masses of all the elements that are combined to form a molecule... View Article
Soil Formation
The soil is one of our essential natural resources. It is important for the growth of vegetation we feed on.... View Article
Sodium
Sodium Symbol Na Atomic Number 11 Atomic Mass 22.990 Discovered by Sodium was discovered by Humphry Davy Physical Properties of... View Article
Nuclear Chemistry
Table of Contents What is Nuclear Chemistry? Nuclear Reactions and Radiations Types of Radiations Stimulated nuclear reactions What is Nuclear... View Article
Nuclear Energy
What is Nuclear Energy? Nuclear Energy is the energy in the core of an atom. Where an atom is a tiny... View Article
Significant Figures
What are Significant Figures? In chemistry, Significant figures are the digits of value which carry meaning towards the resolution of... View Article
Nuclear Power Plant
Introduction A nuclear power plant is a thermal power station in which the primary source of energy generation is a... View Article
Properties Of Water: Physical And Chemical
What is water? Water is the chemical substance with chemical formula H2O, one molecule of water has two hydrogen... View Article
Thermodynamics: the study of Work, Heat & Energy
What is Thermodynamics? The branch which deals with the movement of energy from one form to the other and the... View Article
Beryllium
Beryllium Symbol Be Atomic Number 4 Atomic Mass 9.01218 g.mol-1 Discovered by Nicholas Louis Vauquelin What is Beryllium? Beryllium is... View Article
Importance of Water
Table of Contents What is Water? States: Physical and Chemical Properties of Water: The Importance of Water: Recommended Video What... View Article
Cerium
Cerium Symbol Ce Atomic Number 58 Atomic Mass 140.116 g.mol -1 Discovered by Jöns Jacob Berzelius and Wilhelm Hisinger in... View Article
UPSC Exam: Comprehensive News Analysis – January 21
TABLE OF CONTENTS A. GS1 Related B. GS2 Related GOVERNANCE 1. National Urban Policy: Single policy for multiple states 2.... View Article
Cyclone: UPSC GS – I Notes
A cyclone is any low-pressure area with winds spiralling inwards. Cyclones rotate anti-clockwise in Northern Hemisphere and rotate clockwise in... View Article
Death of Rash Behari Bose – [January 21, 1945] This Day in History
21 January 1945 Death of revolutionary freedom fighter Rash Behari Bose. What happened? On 21 January 1945, Rash Behari Bose,... View Article
UPSC Exam: Weekly GK and Current Affairs Quiz Jan 20 – Jan 26
UPSC 2018: Weekly GK and Current Affairs Quiz Jan 20 – Jan 26 with Multiple Choice Questions and answers for... View Article
Assassination Attempt on Mahatma Gandhi – [January 20, 1948] This Day in History
On 20 January 1948, an assassination attempt was made on Mahatma Gandhi at Birla House in Delhi where he was... View Article
