Chemistry Oxygen has (+) oxidation number only in H2O (2) C12O OF2 N2O H2O (2) C12O OF2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Bauxite Siderite Haematite Magnetite Bauxite Siderite Haematite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is Heavy traffic Stagnation of water on road No maintenance No sloping Heavy traffic Stagnation of water on road No maintenance No sloping 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 When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP