Chemistry Electric bulbs are filled with : Carbon dioxide Argon Nitrogen Oxygen Carbon dioxide Argon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Sodium carbonate Potassium Permangante Lime Alum Sodium carbonate Potassium Permangante Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Composting Bricketting Land filling Incineration Composting Bricketting Land filling Incineration ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Silicon Calcium Nitrogen Oxygen Silicon Calcium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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