41. However, elemental chlorine was not produced until 1774, when Carl Wilhelm Scheele heated hydrochloric acid with manganese dioxide . 42. Solid tantalum electrolytic capacitors with manganese dioxide electrolyte or polymer electrolyte are damaged by peak or pulse currents. 43. Production of ferrite ( two of the primary uses of manganese dioxide ) requires high purity manganese dioxide . 44. The chemical difference is the addition of nickel oxyhydroxide to the manganese dioxide and graphite for the cathode. 45. Production of ferrite ( two of the primary uses of manganese dioxide ) requires high purity manganese dioxide. 46. A common dry cell is the alkaline cell ( since both use the same zinc manganese dioxide combination ). 47. KMnO 4 is decomposed in water, resulting in formation of manganese dioxide ( MnO 2 ) and gaseous oxygen. 48. In 1952 Bell Labs researchers discovered the use manganese dioxide as a solid electrolyte for a sintered tantalum capacitor. 49. Weldon was a successful chemist and developed the Weldon process to produce chlorine by boiling hydrochloric acid with manganese dioxide . 50. In another process manganese dioxide is carbothermically reduced to manganese ( II ) oxide which is dissolved in sulfuric acid.
