Chemistry Which of the following is biodegradable ? Plastic D.T. Paper Aluminium Plastic D.T. Paper Aluminium 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 ? 18 6 12 Zero 18 6 12 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Nitrogen Propane Methane Helium Nitrogen Propane Methane Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.305 0.27 0.18 0.25 0.305 0.27 0.18 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO CO2 NO Hydrocarbons CO CO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Polymerisation Dehydration Dissociation of water Hydration and dissociation of water Polymerisation Dehydration Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
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