Chemistry Oxygen has (+) oxidation number only in N2O C12O H2O (2) OF2 N2O C12O H2O (2) OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Ethane Nitrogen All of these Methane Ethane Nitrogen All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Propane Butane Methane Decane Propane Butane Methane Decane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium sulphate Sodium metabisulphite BHT Saccharin Sodium sulphate Sodium metabisulphite BHT Saccharin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Potassium Sodium Uranium Thorium Potassium Sodium Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Distilled water LPG Gasoline Air Distilled water LPG Gasoline Air ANSWER DOWNLOAD EXAMIANS APP
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