_best_ — Xam Idea Class 11 Chemistry Pdf Free Download Term 1

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Riya proposed studying the energy released and absorbed during dissolving — using common salts and sugar. Sameer wanted to build a small calorimeter from foam cups and a digital thermometer. Meera sketched diagrams and suggested they explore why some dissolutions felt cold while others warmed up. xam idea class 11 chemistry pdf free download term 1