Chemistry Chemical properties of isotopes Must be same Need not be same Need not be different Must be different Must be same Need not be same Need not be different Must be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Aluminium nitrate Aluminium Chloride Potash alum Aluminium sulphate Aluminium nitrate Aluminium Chloride Potash alum Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO SO2 Chlorogluorocarbons NO2 NO SO2 Chlorogluorocarbons NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Global warming Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Global warming ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Protons and neutrons Electrons Protons Protons and electrons Protons and neutrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP