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Sunday, March 3, 2013

Download HSEB Notes of Chemistry | Language of Chemistry | Extra Reference | E-Book | Class 11

CHEMISTRY | EXTRA REFERENCE | EBOOK
HSEB NOTE ON CHEMISTRY | LANGUAGE OF CHEMISTRY
Class : 11
File type : PDF
Size : 108 KB
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Lab- The Language of Chemistry
Safety goggles must be worn at all times
Introduction: A chemical equation is a chemical “sentence” describing either a chemical change or a physical change and allows chemists to keep track of substances involved in a laboratory procedure. The reactants are the substances that come together in a chemical reaction & the products are the substances that form after a chemical reaction. Physical changes usually involve phase changes (like melting of ice), while chemical changes usually produce entirely new substances.
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