Chemistry In which of the following ions , the colour is not due to d-d transition ? [Ti(H2O)6]3+ [CrO4]2− [Cu(NH3)4]2+ [CoF6]3+ [Ti(H2O)6]3+ [CrO4]2− [Cu(NH3)4]2+ [CoF6]3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Eutrophication Green house effect Smog None of these Eutrophication Green house effect Smog None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by They can not be separated Physical methods Chemical methods Both A and B They can not be separated Physical methods Chemical methods Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitramines Ammonia Nitrates Nitrites Nitramines Ammonia Nitrates Nitrites ANSWER DOWNLOAD EXAMIANS APP
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