Chemistry Which one is the simplest form of alkane Methane Decane Butane Propane Methane Decane Butane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Water gas Carbon monoxide Mustard gas Hydrogen cyanide Water gas Carbon monoxide Mustard gas Hydrogen cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Ammonia and Ozone Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Ammonia and Ozone Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC CO CO2 SO2 CFC CO CO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Iron Copper Titanium Aluminium Iron Copper Titanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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