Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone oxygen helium methane ozone oxygen helium methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Zinc Mercury Lead Platinum Zinc Mercury Lead Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Filteration Sedimentation Electrophoresis Precipitation Filteration Sedimentation Electrophoresis Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 CuS ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 5 gram of molecule 10 gram of molecule 0.5 gram of molecule 1 gram of molecule 5 gram of molecule 10 gram of molecule 0.5 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Disinfectant Fertiliser Pesticide Insecticide Disinfectant Fertiliser Pesticide Insecticide ANSWER DOWNLOAD EXAMIANS APP
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