Chemistry Which one is the most reactive gaseous element Chlorine Flourine Bromine Iodine Chlorine Flourine Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Boric acid Phosphoric acid Sulphuric acid Carbonic acid Boric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.658 0.509 0.727 0.305 0.658 0.509 0.727 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Deforstation Carbondioxide emission Methane emission CFC emission Deforstation Carbondioxide emission Methane emission CFC emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Hydrogen Helium Nitrogen Air Hydrogen Helium Nitrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Distillation Decantation Filtration Evaporation Distillation Decantation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
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