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 Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Aluminium Copper Iron Zinc Aluminium Copper Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Power transmittor Generator Uninterrupted power supply (UPS) Battery Power transmittor Generator Uninterrupted power supply (UPS) Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is SO2 Lead NO2 Hg SO2 Lead NO2 Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? Ca(CN)2 Urea NH4NO3 CaCN2 Ca(CN)2 Urea NH4NO3 CaCN2 ANSWER DOWNLOAD EXAMIANS APP