Chemistry Number of neutrons in an atom of hydrogen is Zero Two Three One Zero Two Three One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Alfred Nobel Faraday Volta Bohr and Rutherford Alfred Nobel Faraday Volta ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The enzyme that converts glucose to ethyl alcohol is : Maltase Zymase Diastase Invertase Maltase Zymase Diastase Invertase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Eutrophication Acidity Hardness Alkalinity Eutrophication Acidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP