Chemistry Which amidst the following is not a gem stone ? Cat's-eye Opal Pearl Topaz Cat's-eye Opal Pearl Topaz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Thorium Protactinium Mercury Uranium Thorium Protactinium Mercury Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Vinyl Chloride Isoprene Acetylene Neoprene Vinyl Chloride Isoprene Acetylene Neoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco ANSWER DOWNLOAD EXAMIANS APP