Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Fluorine Nitrogen Sulphur Chlorine Fluorine Nitrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 6 12 18 Zero 6 12 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Carbon monoxide and dioxin Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Carbon monoxide and benzene Dioxin and benzene ANSWER DOWNLOAD EXAMIANS APP
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