Question

Find the area of a circular ring whose outer radius is 21cm and inner radius is 14cm​

Answer 1

1)Decomposition of calcium carbonate to calcium oxide and carbon dioxide on heating is an important decomposition reaction used in various industries. 2)Decomposition of silver chloride into silver and chlorineby light is used in photography.state two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industrystate two uses of chemical decomposition reaction in the industry