Chemistry The most abundant element by number in the living system is : Oxygen Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is pure It is colourless Its refractive index is high It is hard It is pure It is colourless Its refractive index is high It is hard ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Boric acid Salicylic acid Phosphorus acid Phosphoric acid Boric acid Salicylic acid Phosphorus acid Phosphoric acid 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 For a spontaneous chemical process, the free energy change is Zero Negative Depends on whether the reaction is exothermic or endothermic Positive Zero Negative Depends on whether the reaction is exothermic or endothermic Positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
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