Chemistry How many electrons in a Hydrogen atom Two Four One Three Two Four One Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Ammonium Nitrate Ammonia Uric Acid Urea Ammonium Nitrate Ammonia Uric Acid Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Iron Tin Silver Aluminium Iron Tin Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Siderite Pyrolusite Galena Magnetite Siderite Pyrolusite Galena Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.21 0.01 0.78 1 0.21 0.01 0.78 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Acetic acid Hydrochloric acid Nitric acid Sulphuric acid Acetic acid Hydrochloric acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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