Chemistry Gold dissolves in Aqua-regia Acetic acid Hydrochloric acid Nitric acid Aqua-regia Acetic acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy A lowering of entropy A lowering of free energy Increase in free energy An increase in Internal energy A lowering of entropy A lowering of free energy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Homogeneous Heterogeneous Both A and B Pure substance Homogeneous Heterogeneous Both A and B Pure substance ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 Fe2O3 Fe3O4 FeCO3 FeS2 Fe2O3 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Magnetic quantum number Azimuthal quantum number Principal quantum number Spin quantum number Magnetic quantum number Azimuthal quantum number Principal quantum number Spin quantum number ANSWER DOWNLOAD EXAMIANS APP