Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Perspex Polystyrene Teflon Styrofoam Perspex Polystyrene Teflon Styrofoam 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 Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Face centered cubic Octahedral Square planar Body centered cubic Face centered cubic Octahedral Square planar Body centered cubic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 NO2and particulates CO2and CFCs SO2 and particulates SO2 and NO2 NO2and particulates CO2and CFCs SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
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