Chemistry The BOD values of water indicate the Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of ozone used for biochemical oxidation Amount of organic debris ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Petroleum Coal Geothermal energy Natural Gas Petroleum Coal Geothermal energy Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon monoxide Carbon dioxide Ozone Water vapour Carbon monoxide Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Slaked lime Chalk Marble Limestone Slaked lime Chalk Marble Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is River water Rain water Lake water Sea water River water Rain water Lake water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Emulsifier is an agent which Aids the flocculation of emulsion Stabilizes an emulsion Accelerates the dispersion Homogenizes the emulsion Aids the flocculation of emulsion Stabilizes an emulsion Accelerates the dispersion Homogenizes the emulsion ANSWER DOWNLOAD EXAMIANS APP
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