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organic compounds

Tetracovalency of Covalent Compounds

Last Updated on March 4, 2020 By Mrs Shilpi Nagpal

Compounds like urea, sugars, oils, fats, dyes, proteins, vitamins which were isolated directly or indirectly from living organisms, such as animals and plants were called organic compounds. The branch of chemistry which deal with the study of these compounds was called organic chemistry. Compounds like common salt, marble , alums, vitriols which were isolated from … [Read more...] about Tetracovalency of Covalent Compounds

Classification of Matter

Last Updated on July 6, 2022 By Mrs Shilpi Nagpal

Classification of Matter

Matter ​Matter is defined as anything that occupies space and possesses mass. Classification of Matter (1) Physical classification (a) Solid (b) Liquid (c) Gases     Solid Liquid   Gases (1) They have fixed shape and volume They do not have fixed shape but have fixed volume They do not have fixed shape and volume (2) They cannot be compressed They … [Read more...] about Classification of Matter

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