Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Methane Ethane Propane Butane Methane Ethane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Carbon dioxide Chlorine Alcohol Sodium chloride Carbon dioxide Chlorine Alcohol Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Chlorofluorocarbons Nitrogen Methane Carbon dioxide Chlorofluorocarbons Nitrogen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Global warming Oxygen fertilization effect Depletion of ozone layer in the stratosphere Carbon dioxide ferilization effect Global warming Oxygen fertilization effect Depletion of ozone layer in the stratosphere Carbon dioxide ferilization effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Oil spill Acid rain Radioactive waste Carbon dioxide Oil spill Acid rain Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number ANSWER DOWNLOAD EXAMIANS APP