Chemistry Which among the following metals provides amphoteric oxide ? Sodium Calcium Aluminium Silver Sodium Calcium Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by All of these Recycling waste materials Using energy efficient appliances Commuting by public transport All of these Recycling waste materials Using energy efficient appliances Commuting by public transport ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Potassium Permangante Lime Alum Sodium carbonate Potassium Permangante Lime Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Nitrogen Silicon Potassium Phosphorous Nitrogen Silicon Potassium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Copper Zinc Tin Chromium Copper Zinc Tin Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
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