Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Nitrogen Helium Argon Hydrogen Nitrogen Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Square planar Octahedral Body centered cubic Face centered cubic Square planar Octahedral Body centered cubic Face centered cubic 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 Raman spectra Emission spectra Absorption spectra Fluorescence Raman spectra Emission spectra Absorption spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitramines Nitrates Nitrites Ammonia Nitramines Nitrates Nitrites ANSWER DOWNLOAD EXAMIANS APP