Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Sulphur Fluorine Nitrogen Chlorine Sulphur Fluorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Bleach Alum Deactivated nitrogen Activated carbon Bleach Alum Deactivated nitrogen Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Peat Bituminous Anthracite Lignite Peat Bituminous Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP