Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Methane Hydrogen Ethanol Butane Methane Hydrogen Ethanol Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Water gas Natural gas Coal gas Indane gas Water gas Natural gas Coal gas Indane gas 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 Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = 2K2 K1 = K2 K 1 = 1 /K2 K1 = K2/2 K1 = 2K2 K1 = K2 K 1 = 1 /K2 K1 = K2/2 ANSWER DOWNLOAD EXAMIANS APP