Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Cryolite Haematite Calcite Bauxite Cryolite Haematite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Oxygen Hydrogen Carbon Nitrogen Oxygen Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium carbonate Sodium bicarbonate Sodium nitrate Sodium nitrite Sodium carbonate Sodium bicarbonate Sodium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is H2 S NH3 NO2 SO2 H2 S NH3 NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Xenon Neon Radon Argon Xenon Neon Radon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton only 1 neutron only 1 proton + 2 neutron 1 electron only 1 proton only 1 neutron only 1 proton + 2 neutron 1 electron only ANSWER DOWNLOAD EXAMIANS APP
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