Chemistry Among the following, carbonate ore of Zinc is Zincite Sphalerite Calamine Zincblende Zincite Sphalerite Calamine Zincblende ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium borate Calcium chloride Calcium sulphate Calcium phosphate Calcium borate Calcium chloride Calcium sulphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of FeCO3 Fe2O3 3Fe2O3 .. 3H2O Fe3OH4 FeCO3 Fe2O3 3Fe2O3 .. 3H2O Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Helium Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Rain water Sea water River water Distilled water Rain water Sea water River water Distilled water ANSWER DOWNLOAD EXAMIANS APP
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