Chemistry Permanent – hardness of water may be removed by addition of Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Tetrahedral Octahedral Cyclic Linear Tetrahedral Octahedral Cyclic Linear ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead Lead sulphide Ferrous sulphide Graphite Lead Lead sulphide Ferrous sulphide Graphite 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 Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl orange Methylene blue Methyl red Phenolphthaline Methyl orange Methylene blue Methyl red Phenolphthaline ANSWER DOWNLOAD EXAMIANS APP
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