Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Zinc Nickel Lead Chromium Zinc Nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Elimination reaction Substitution reaction None of the options Addition reaction Elimination reaction Substitution reaction None of the options Addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Fumes Smoke Aerosols Mists Fumes Smoke Aerosols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Gold Cadmium Chromium Cobalt Gold Cadmium Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Miscible with water Chemically unreactive Not stable Chemically very active Miscible with water Chemically unreactive Not stable Chemically very active ANSWER DOWNLOAD EXAMIANS APP