Chemistry The percentage of oxygen in air is approximately 1 0.01 0.21 0.78 1 0.01 0.21 0.78 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Carbon dioxide Chloro fluoro carbons Carbon Monoxide Nitrogen Carbon dioxide Chloro fluoro carbons Carbon Monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Methyl alcohol Ethyl alcohol Glycerol Propyl alcohol Methyl alcohol Ethyl alcohol Glycerol Propyl alcohol 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 Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Nichrome Copper Iron Silver Nichrome Copper Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide ANSWER DOWNLOAD EXAMIANS APP
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