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 Fluorescence Absorption spectra Raman spectra Emission spectra Fluorescence Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Crimson Green Red Blue Crimson Green Red Blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium carbonate Calcium nitrate Calcium sulphate Calcium chloride Calcium carbonate Calcium nitrate Calcium sulphate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol Alcohol Oxalic acid H2O2 Petrol Alcohol Oxalic acid H2O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Sulphuric acid Phosphoric acid Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Lead Sulphate Potassium sulphate Sodium sulphate Zinc sulphate Lead Sulphate Potassium sulphate Sodium sulphate Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP
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