Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Methane Hydrogen Helium Nitrogen Methane Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Bauxite Magnetite Haematite Siderite Bauxite Magnetite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is pine oil olive oil coconut oil kerosene oil pine oil olive oil coconut oil kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Hematite Fluorspar Bauxite Chalco pyrites Hematite Fluorspar Bauxite Chalco pyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Antimony Aluminium Arsenic Phosphorus Antimony Aluminium Arsenic Phosphorus ANSWER DOWNLOAD EXAMIANS APP
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