Chemistry The percentage of oxygen in air is approximately 0.78 0.21 1 0.01 0.78 0.21 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 CuO CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 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 Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra Raman spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a natural Mixture Suspension Solution Emulsion Mixture Suspension Solution Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Spin quantum number Principal quantum number Magnetic quantum number Azimuthal quantum number Spin quantum number Principal quantum number Magnetic quantum number Azimuthal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Lithium Chlorine Nitrogen Fluorine Lithium Chlorine Nitrogen Fluorine ANSWER DOWNLOAD EXAMIANS APP
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