Chemistry Which is the purest commercial form of iron ? Steel Stainless steel Pig iron Wrought iron Steel Stainless steel Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Helium Methane Propane Nitrogen Helium Methane Propane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Sulphur Bauxite Phosphorus Graphite Sulphur Bauxite Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Lithium Potassium Sodium Cadmium Lithium Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by enzymes DNA molecules RNA molecules nucleotides enzymes DNA molecules RNA molecules nucleotides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris ANSWER DOWNLOAD EXAMIANS APP
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