Chemistry The most electropositive elements among the following is K Na Cs Ca K Na Cs Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Au Ag Ge Cu Au Ag Ge Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Aquatic plants Forest residues Crop residues Animal wastes Aquatic plants Forest residues Crop residues Animal wastes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Benzene Aspirin Chloride Picric acid Benzene Aspirin Chloride Picric acid ANSWER DOWNLOAD EXAMIANS APP
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