Chemistry Surface water is a better source of drinking water because it is poor in Arsenic Dust Algae Bacteria Arsenic Dust Algae Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Pyrolusite Magnetite Siderite Galena Pyrolusite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Acid rain Oil spill Radioactive waste Carbon dioxide Acid rain Oil spill Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic Weight Mass number Neutron number Atomic number Atomic Weight Mass number Neutron number Atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum ANSWER DOWNLOAD EXAMIANS APP
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