Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Nitrogen Hydrogen Helium Argon Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Chlorine Lithium Nitrogen Fluorine Chlorine Lithium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Neutral Basic Acidic None of these Neutral Basic Acidic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon monoxide Helium Carbon dioxide Oxygen Carbon monoxide Helium Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Oil and fatty substances Suspended solids Gritty substances Inorganic substances Oil and fatty substances Suspended solids Gritty substances Inorganic substances ANSWER DOWNLOAD EXAMIANS APP
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