Chemistry In which of the following ions , the colour is not due to d-d transition ? [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Temperature decreases Heat is absorbed No heat change takes place Heat is liberated Temperature decreases Heat is absorbed No heat change takes place Heat is liberated ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Calcium ammonium nitrate Potassium nitrate Calcium sulphate Ammonium sulphate Calcium ammonium nitrate Potassium nitrate Calcium sulphate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4 6 7 3 4 6 7 3 ANSWER DOWNLOAD EXAMIANS APP
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