Chemistry Surface water is a better source of drinking water because it is poor in Bacteria Dust Arsenic Algae Bacteria Dust Arsenic Algae 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 The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Pyrolusite Magnetite Siderite Galena Pyrolusite Magnetite Siderite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Methane Isobutane Carbon dioxide Butane Methane Isobutane Carbon dioxide Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus Lichen An alga A bacterium A fungus Lichen An alga A bacterium ANSWER DOWNLOAD EXAMIANS APP
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