Chemistry Which one is the most reactive halogen Iodine Fluorine Chlorine Bromine Iodine Fluorine Chlorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Opposite spin Same or opposite spin No spin Same spin Opposite spin Same or opposite spin No spin Same spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Brass Carbon–dioxide Air Iron Brass Carbon–dioxide Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Hydrogen Transition metals Alkaline metals Carbon Hydrogen Transition metals Alkaline metals Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS