Chemistry Which of the following alkali metals has highest specific heat? Rubidium Lithium Potassium Caesium Rubidium Lithium Potassium Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 4000°C 2800°C 3600°C 3200°C 4000°C 2800°C 3600°C 3200°C 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 Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Diamond Teflon Napthalene Graphite Diamond Teflon Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Leaded gasoline Sewage Tobacco Insecticides Leaded gasoline Sewage Tobacco ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Photosynthesis Organic delay Burning Breathing Photosynthesis Organic delay Burning Breathing ANSWER DOWNLOAD EXAMIANS APP