Describes basic laboratory apparatus and their uses with illustrations (test tube, beaker, alcohol lamp, bunsen burner, etc.)

Physics, Science, Middle school Keywords: Density, uphtrust (buoyancy), liquids, gases, pressure, floating, lifting, sinking, overall density, average density Presents the concept of upthrust, and how the relation...

This explains the total types in chemical reations with suitable examples. From that you can learn basic chemistry very well and you can distinguish which type of reaction is given. you can use this as assignment

Introduction ´In our surrounding most of the things are made up of organic molecules. For example the food we take is made up of carbohydrate, protein, fats, and oils etc. medicines, colors, various polymers, CNG, and...

Covers topics in General Chemistry and Inorganic Chemistry (matter, types of matter, atoms, electronic configurations, periodic trends, intermolecular forces, gases, chemical reactions, chemical equilibrium, acids and...