Chemistry How many electrons in a Hydrogen atom Three One Four Two Three One Four Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water None of these sparingly soluble insoluble soluble None of these sparingly soluble insoluble soluble ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Remains the same First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS