Chemistry The rusting of iron is a/an Electrochemical change Electrical change Physical change None of these Electrochemical change Electrical change Physical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless Its refractive index is high It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a naturally occuring noble gas Sodium Potassium Boron Argon Sodium Potassium Boron Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Cinnamic acid Oxalic acid Phthalic acid Benzoic acid Cinnamic acid Oxalic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Rotational spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP