Chemistry Gobar gas mainly contains Hydrogen sulphide Methane Carbon monoxide Carbon dioxide Hydrogen sulphide Methane Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Sublimation Reduction Galvanisation Corrosion Sublimation Reduction Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 0.01 minute 100 years 13 days 3 billion years 0.01 minute 100 years 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Calcite Haematite Bauxite Cryolite Calcite Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Hydrogen Carbon Nitrozen Oxyzen Hydrogen Carbon Nitrozen Oxyzen ANSWER DOWNLOAD EXAMIANS APP
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