Chemistry The working of a dry cell is based on Decomposition reaction Combination reaction Spontaneous oxidation-reduction reaction Electrolysis Decomposition reaction Combination reaction Spontaneous oxidation-reduction reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Bleach Alum Deactivated nitrogen Activated carbon Bleach Alum Deactivated nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Fog Mist Sleet Smog Fog Mist Sleet Smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Phenol Oxalic acid Acetic acid Ethanol Phenol Oxalic acid Acetic acid Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Iron Carbon Nitrogen Oxygen Iron Carbon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
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