Chemistry The maximum number of covalent formed by nitrogen is 2 3 4 1 2 3 4 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Amino acids Ammonia Nitrogenase Nitrates Amino acids Ammonia Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Tollen's Terylene Bakelite Nylon 66 Tollen's Terylene Bakelite Nylon 66 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of discovery of elements metallurgy atomic structure periodic table of contents discovery of elements metallurgy atomic structure periodic table of contents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Rapid setting of cement Preventing rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 12 gms 0.12 gms 120 gms 1.2 gms 12 gms 0.12 gms 120 gms 1.2 gms ANSWER DOWNLOAD EXAMIANS APP
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