Chemistry The most common cause of pollution of air is Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane Parathion DDT Carbary Lindane Parathion DDT Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Bauxite Lignite Dolomite Copper Bauxite Lignite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins ANSWER DOWNLOAD EXAMIANS APP
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