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Today's Thought: "For every minute you are angry you lose sixty seconds of happiness."

XI-CHEMISTRY

chapter-1(c)-Percentage 


Chapter-1-Empirical formula -


Empirical & Molecular formulas of compounds.

Numericals on E.F & M.F

chapter-1(b)-Numericals on mole 

SOME BASIC CONCEPTS CHEMISTRY




NUMERICALS ON MOLE CONCEPT