Chemistry The first metal used by a man was Bronze Silver Brass Copper Bronze Silver Brass Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Argon Neon Oxygen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Glycerine Alcohol Kerosene oil Water Glycerine Alcohol Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Desilication Hydration Carbonation Oxidation Desilication Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Phosphorous Potassium Nitrogen Silicon Phosphorous Potassium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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