Chemistry The iron ore magnetite consists of Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Threshold energy Internal energy Activation energy Free energy Threshold energy Internal energy Activation energy Free energy 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 Chemical name of common salt is Sodium Chloride Sodium Sodium Oxide Sodium Bicarbonate Sodium Chloride Sodium Sodium Oxide Sodium Bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper D.T. Plastic Aluminium Paper D.T. Plastic Aluminium ANSWER DOWNLOAD EXAMIANS APP
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