Chemistry The iron ore magnetite consists of FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Remains unchanged Will increase four-fold Will be reduced to half Will be doubled Remains unchanged Will increase four-fold Will be reduced to half Will be doubled ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Thorium Iron Uranium Rhodium Thorium Iron Uranium Rhodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its non-metallic character Its reducing character Its affinity for non-metal Its electropositive character Its non-metallic character Its reducing character Its affinity for non-metal Its electropositive character ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is PH meter Ammeter Hygrometer Acidmeter PH meter Ammeter Hygrometer Acidmeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Anthracite Lignite Bitumen Peat Anthracite Lignite Bitumen Peat ANSWER DOWNLOAD EXAMIANS APP