Important Formula

Trigonometric Ratios of Sum and Difference of Two Angles|Transformation Formulae|Practice Questions|Values of Trigonometric Ratios of Some Specific Angles|Some Important Formulae|Practice Questions|OMR

Standard formula-(2-3) : When product is given change to sum / difference and Important results

Important algebraic formulae

Multiple Angle Formulas|Questions|Important Observation|Questions|OMR

Multiple Angle Formulas|3A Formulas|Questions|Important Observation|Range Of Trigonometry|Questions|OMR

Important Terms|Structural Formula|Classification Of Organic Compounds|IUPAC Nomenclature Of Organic Compounds|Summary

Introduction to Spherical Mirror |Important terms|sign convention|Mirror formula|magnification

One of the important compound containing P-N bonds is phosphazens. One such phosphazene has the molecular formula (NPCI_(2))_(3) .

Emperical Formula, Molecular Formula, Stoichiometry Formula|Questions|Summary