Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Argon Helium Neon Krypton Argon Helium Neon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? SO2 NO PAN CO SO2 NO PAN CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Gritty substances Suspended solids Oil and fatty substances Inorganic substances Gritty substances Suspended solids Oil and fatty substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Aliphatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Wood burning Acid Plants Paints Domestic sewage Wood burning Acid Plants Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.727 0.658 0.305 0.509 0.727 0.658 0.305 0.509 ANSWER DOWNLOAD EXAMIANS APP
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