Chemistry When there are two electrons in the same orbital, they have: No spin Opposite spin Same spin Same or opposite spin No spin Opposite spin Same spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will May increase or decrease Increase Decrease Remain the same May increase or decrease Increase Decrease Remain the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Phthalic acid Oxalic acid Benzoic acid Cinnamic acid Phthalic acid Oxalic acid Benzoic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate ANSWER DOWNLOAD EXAMIANS APP
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