Chemistry Which one of the following mineral does not contain oxygen ? Calcite Haematite Cryolite Bauxite Calcite Haematite Cryolite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Octahedral Body centered cubic Face centered cubic Square planar Octahedral Body centered cubic Face centered cubic Square planar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Ammonia Sulphur dioxide Carbon dioxide Hydrogen Ammonia Sulphur dioxide Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Bromine Sulphur Phosphorus Silicon Bromine Sulphur Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Silicon Calcium Oxygen Nitrogen Silicon Calcium Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS