Chemistry The percentage of oxygen in air is approximately 0.78 1 0.01 0.21 0.78 1 0.01 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Suspended solids Oil and fatty substances Gritty substances Inorganic substances Suspended solids Oil and fatty substances Gritty substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Chalk Slaked lime Marble Limestone Chalk Slaked lime Marble Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene 1,3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene 1,3-butadiene Acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
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