Chemistry Formation of ozone hole is maximum over Africa Europe Antarctica India Africa Europe Antarctica India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– None of these Magnetite Limnonite Haemetite None of these Magnetite Limnonite Haemetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Diamond Coke Graphite Lamp black Diamond Coke Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Molten sodium carbonate Molten sodium chloride Aqueous brine solution Its cyanide complex Molten sodium carbonate Molten sodium chloride Aqueous brine solution Its cyanide complex ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium Carbonate is commonly known as Caustic Soda Washing Soda Caustic Potash Baking Soda Caustic Soda Washing Soda Caustic Potash Baking Soda ANSWER DOWNLOAD EXAMIANS APP