Chemistry Interveinal necrotic spots on leaves appear due to HF injury NO2injury O3injury SO2injury HF injury NO2injury O3injury SO2injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe3O4 Fe2O3 FeCO3 FeS2 Fe3O4 Fe2O3 FeCO3 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Ozone Sulphuric acid Nitric acid Carbon monoxide Ozone Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of free energy An increase in Internal energy A lowering of entropy Increase in free energy A lowering of free energy An increase in Internal energy A lowering of entropy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Argon Helium Nitrogen Neon Argon Helium Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Na Fe Hg Ag Na Fe Hg Ag ANSWER DOWNLOAD EXAMIANS APP
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