Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Hydrogen cyanide Carbon monoxide Mustard gas Water gas Hydrogen cyanide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Tin Lead Zinc Copper Tin Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Dmitri Mendeleev John Dalton Julius Lothar Meyer Henry Moseley Dmitri Mendeleev John Dalton Julius Lothar Meyer Henry Moseley ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Ten million Two million Half a million One million Ten million Two million Half a million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alumina Alum Gypsum Clay Alumina Alum Gypsum Clay ANSWER DOWNLOAD EXAMIANS APP
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