Tag: solution

NABTEB CHEMISTRY EXPO RUNS SOLUTIONS 2018

NABTEB CHEMISTRY Nabteb Chemistry Obj 1AADDDCACCC 11DAACAABCDC 21ABABDCDCAC 31BDCCADBBBA 41DCDBDDDBAB (1ai) An element is a substance that cannot be split into simpler substances by any known chemical process. (1aii) Limestone ==> CaCo3 TABULATE |Elements| Group| UNDER ELEMENT: (i) Calcium (ii) Carbon (iii) Oxygen UNDER GROUP: (i) II (ii) IV (iii) VI (1bi) Hund’s rule of […]