Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Oxygen Ozone Chlorine Nitrogen Oxygen Ozone Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Added unlead compounds Gold number Cetane number Octane number Added unlead compounds Gold number Cetane number Octane number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Electrolysis Decomposition reaction Combination reaction Spontaneous oxidation-reduction reaction Electrolysis Decomposition reaction Combination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Fluorine Zinc Lithium Oxygen Fluorine Zinc Lithium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Arsenic Aluminium Mercury Lead Arsenic Aluminium Mercury Lead ANSWER DOWNLOAD EXAMIANS APP