Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is hydrogen carbon nitrogen oxygen hydrogen carbon nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Helium Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 500 200 50 100 500 200 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and potassium nitrate Aluminium powder and ammonium sulphate Aluminium powder and ammonium chloride Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate Aluminium powder and ammonium sulphate Aluminium powder and ammonium chloride Aluminium powder and ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Fluorine Oxygen Zinc Lithium Fluorine Oxygen Zinc Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Batteries Steam Diesel Petrol and oxygen Batteries Steam Diesel ANSWER DOWNLOAD EXAMIANS APP
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