Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Molten zinc Molten tin Gaseous zinc Solid zinc Molten zinc Molten tin Gaseous zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Silicosis Cancer Asthma Pneumoconiosis Silicosis Cancer Asthma Pneumoconiosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 10 gram of molecule 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule 0.5 gram of molecule 5 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
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