Chemistry Which of the following is secondary air pollutant ? Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Iodine Table salt Sugar Potassium Iodide Iodine Table salt Sugar Potassium Iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Carbon Tin Aluminium Chromium Carbon Tin Aluminium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases An electron acceptor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Bacteria Algae Arsenic Dust Bacteria Algae Arsenic Dust ANSWER DOWNLOAD EXAMIANS APP
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