Category 6 · Science & Technology
Chemistry – Basic Concepts and Atomic Structure
7 micro topics in Science & Technology for UPSC Prelims, in book order: Elements, Compounds and Molecules; States of Matter; and 5 more.
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6.1
Elements, Compounds and Molecules
An element is a pure substance made of only one kind of atom, and it cannot be broken down into simpler substances by chemical means. There are 118 known elements, of which about 94 occur naturally,…
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6.2
States of Matter
Matter exists in different states depending on temperature and pressure. The three familiar states are solid, which has a fixed shape and volume, liquid, which has a fixed volume but takes the shape of its container,…
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6.3
Structure of Atoms
An atom is the smallest unit of an element that keeps its chemical properties. It has a tiny, dense, positively charged nucleus made of protons and neutrons, with negatively charged electrons moving around it. J.J. Thomson…
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6.4
Metallurgical Processes and Extraction of Metals
Metallurgy is the science and process of extracting metals from their ores and refining them for use. A mineral is a naturally occurring substance containing a metal, and an ore is a mineral from which the…
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6.5
Acids, Bases and Salts
Acids are substances that give hydrogen ions in water, taste sour and turn blue litmus red. Bases are substances that give hydroxide ions in water, feel soapy and turn red litmus blue, and bases that dissolve…
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6.6
Electrochemistry and Its Applications
Electrochemistry is the branch of chemistry that studies the link between chemical reactions and electricity. It covers galvanic or voltaic cells, which turn the energy of a spontaneous redox reaction into electrical energy, and electrolytic cells,…
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6.7
Characteristics of Solutions
A solution is a homogeneous mixture of two or more substances, in which the solute is dissolved in the solvent. In a true solution the particles are less than 1 nanometre across, so the solution is…
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Frequently asked questions
Which topics are in Chemistry – Basic Concepts and Atomic Structure?
Chemistry – Basic Concepts and Atomic Structure has 7 micro topics in Science & Technology: Elements, Compounds and Molecules; States of Matter; Structure of Atoms; Metallurgical Processes and Extraction of Metals; Acids, Bases and Salts; Electrochemistry and Its Applications; Characteristics of Solutions.
Is Chemistry – Basic Concepts and Atomic Structure important for UPSC Prelims?
Chemistry – Basic Concepts and Atomic Structure is a part of the UPSC Prelims Science & Technology syllabus map on MaargX UPSC. Each of its 7 published topics has key terms, a Mains angle and practice questions.