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Page-3 of General Science – Chemistry

Science and Technology for UPSC Examinations [Chemistry] Part 18- Carbonyl Compounds – Aldehydes

Aldehydes and ketones are called carbonyl compounds as they contain the carbonyl group, >C=O. The functional group of an Aldehydes is -CHO and that of the ketones is...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 17- Alcohols

Alcohols are compounds which contain carbon, hydrogen and oxygen. Alcohols can be derived from alkanes, if a hydrogen (–H) in alkane is replaced by a hydroxyl group (–OH)....

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 16- Alkenes

An alkene, olefin, or olefine is an unsaturated chemical compound containing at least one carbon-to-carbon double bond.. Thus, Alkenes are the simplest of the unsaturated hydrocarbons, hydrocarbons which...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 15- Alkanes

Chain compounds in which all carbon-to-carbon bonds are only simple single bonds are called ALKANES. These compounds are also called saturated hydrocarbons, because each carbon-to-carbon bond is a...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 14- Basics of Organic Compounds

Carbon Compounds Cells in our body are made of proteins. The fossil fuels are the important energy resources. The life saving antibiotics and drugs play a vital role...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 13- Basics of Metallurgy

The process of extracting metals from their ores followed by refining is known as metallurgy. The four steps usually employed in metallurgy are : Concentration of ore (or...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 12- Basics of Minerals and Ores

A mineral is a naturally occurring substance that is solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and has an ordered atomic structure....

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 11- Metals versus Non-Metals

Metals versus Non-Metals There are 118 elements identified element so far, the latest being ununseptium in 2010. Of the 118 known elements, only the first 98 are known...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 10- Notes on Alkaline Earth metals

Group 2 of the periodic table is known as Alkaline earth metals and it includes the Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium...

May 22, 2013

Science and Technology for UPSC Examinations [Chemistry] Part 9- Notes on Alkali metals

This family is Group 1 of the periodic table and includes lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Hydrogen is a nominal...

May 22, 2013

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