Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Hydrogen cyanide Carbon monoxide Water gas Mustard gas Hydrogen cyanide Carbon monoxide Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten tin Solid zinc Gaseous zinc Molten zinc Molten tin Solid zinc Gaseous zinc Molten zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Electrolysis Oxidation Roasting Zone refining Electrolysis Oxidation Roasting Zone refining 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 blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bridgmanite is A bridge on the river Thames Name of a game Earth’s most abundant minera Name of a music A bridge on the river Thames Name of a game Earth’s most abundant minera Name of a music ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO and H2 CO2 and CO CO2and H2 CO and H2O CO and H2 CO2 and CO CO2and H2 CO and H2O ANSWER DOWNLOAD EXAMIANS APP
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