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Syllabus of chemistry of class 11 approved by National Examination Board (NEB), Nepal. Grade: 11 Subject code: 112 Credit hours: 5 Working hours: 160... Read more
The group IA elements like Li, Na, K, Rb, Cs & Fr are commonly called alkali metals. These are called alkali metals because hydroxides of these me... Read more
ALKALI METALS BY B.T.SIR The group IA elements like Li, Na, K, Rb, Cs & Fr are commonly called alkali metals. These are called alkali metals bec... Read more