Chemistry Chile saltpeter is the common name of: Potassium nitrate Potassium nitrite Sodium nitrate Sodium nitrite Potassium nitrate Potassium nitrite Sodium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Mass number Atomic Weight Atomic number Neutron number Mass number Atomic Weight Atomic number Neutron number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them collide very freely They contain free electrons They contain reflecting surface The molecules in them are very close to each other The molecules in them collide very freely They contain free electrons They contain reflecting surface The molecules in them are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/4 1/6 1/3 1/8 1/4 1/6 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Amytal Nembutal Equanil Veronal Amytal Nembutal Equanil Veronal ANSWER DOWNLOAD EXAMIANS APP
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