Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Graphite Diamond Iron Coal Graphite Diamond Iron Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these O3 CO2 CO All of these O3 CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Cockroaches Mosquitoes Red ants White ants Cockroaches Mosquitoes Red ants White ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium nitrate Ammonium chloride Calcium chloride Sodium chloride Sodium nitrate Ammonium chloride Calcium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
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