Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Copper Lead Iron Zinc Copper Lead 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 Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Hydrogen Methane Helium Nitrogen Hydrogen Methane Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Peat Anthracite Lignite Bituminous Peat Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 2800°C 4000°C 3200°C 3600°C 2800°C 4000°C 3200°C 3600°C ANSWER DOWNLOAD EXAMIANS APP
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