Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Carbon Bromine Phosphorous Sulphur Carbon Bromine Phosphorous Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Nitrogen Ozone Oxygen Chlorine Nitrogen Ozone Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Sedimentation Coagulation Disinfection Softening Sedimentation Coagulation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Same or opposite spin Opposite spin Same spin No spin Same or opposite spin Opposite spin Same spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP