Chemistry Chemical formula of washing soda is Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO Hydrocarbons NO CO2 CO Hydrocarbons NO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Caffeine Tannin Cocaine Morphine Caffeine Tannin Cocaine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Methyl salicylate Ethyl salicylate Butyl salicylate Propyl salicylate Methyl salicylate Ethyl salicylate Butyl salicylate Propyl salicylate 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 Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called specific heat thermal capacity water equivalent None of these specific heat thermal capacity water equivalent None of these ANSWER DOWNLOAD EXAMIANS APP