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 Absorption spectra Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Calcium Silicon Sodium Magnesium Calcium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Fluorine Aluminium Potassium Lead Fluorine Aluminium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Blue vitriol Gypsum salt Green vitriol Epsom salt Blue vitriol Gypsum salt Green vitriol Epsom salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium Carbonate is commonly known as Caustic Potash Caustic Soda Baking Soda Washing Soda Caustic Potash Caustic Soda Baking Soda Washing Soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Caproic acid Butyric acid Formic acid Acetic acid Caproic acid Butyric acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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