Law of reciprocal proportion source : Hemantmore.org.in Law of reciprocal proportion- Question 2 ) Copper sulphide contains 66.5 %  Continue Reading »

Law of reciprocal proportion source : slideshare.net Law of reciprocal proportion or Law of Equivalent proportion – Richter gave  Continue Reading »

Law of Gaseous volumes and Avogadro law source : ncerthelp.com source :slideplayer.com Law of gaseous volumes- This law was  Continue Reading »

Age of earth or mineral source : Facebook Age of earth or mineral- Uranium – Lead dating method is  Continue Reading »

Age of wood and fossil source : newatlas.com To calculate the age of wood and fossil or bone- The  Continue Reading »

Radius of orbit source : Hydrogen Atom Radius of orbit – Consider an electron of charge ‘e’ revolving around  Continue Reading »

Energy source : abyss.uoregon.edu Energy and velocity of Electron- Calculation for the energy of electron in each orbit –  Continue Reading »

Avogadro hypothesis source: Tutorvista Avogadro hypothesis- ” Under similar conditions of temperature and pressure , equal volumes of all  Continue Reading »

Born – Haber cycle source : slideshare.net Born – Haber cycle- Question 1) – Calculate the lattice enthalpy of  Continue Reading »

Born – Haber cycle source: curvetube.com Born – Haber cycle-             Max Born and  Continue Reading »