Chemistry Which of the following metals is not a pollutant ? Aluminium Lead Mercury Arsenic Aluminium Lead Mercury Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic soda Soda ash Sodium hydroxide Caustic potash Caustic soda Soda ash Sodium hydroxide Caustic potash 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
Chemistry The material which can be deformed permanently by heat and pressure is called a chemical compound thermoset polymer thermoplastic chemical compound thermoset polymer thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Hydrolysis Ozonolysis Oxidation Hydrogenation Hydrolysis Ozonolysis Oxidation Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Nylon Methyl Methacrylate Polythene Polyvinyl Chloride Nylon Methyl Methacrylate Polythene Polyvinyl Chloride ANSWER DOWNLOAD EXAMIANS APP