Chemistry Permanent – hardness of water may be removed by addition of Lime Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Magnesium Sodium Calcium Silicon Magnesium Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Anaesthesia Welding Mining Cooking Anaesthesia Welding Mining Cooking ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 HF HCl H2SO4 HNO3 HF HCl H2SO4 ANSWER DOWNLOAD EXAMIANS APP
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