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 Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of O2 Both A and B N2 None of these O2 Both A and B N2 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A homogeneous mixture A suspension A heterogeneous mixture A compound A homogeneous mixture A suspension A heterogeneous mixture A compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Softening Coagulation Sedimentation Disinfection Softening Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Methyl Methacrylate Polythene Nylon Polyvinyl Chloride Methyl Methacrylate Polythene Nylon Polyvinyl Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Ammonia Urea Sulphur-di- oxide Chlorine Ammonia Urea Sulphur-di- oxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
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