Chemistry The material used in the manufacture of lead pencil is Graphite Carbon Mica Lead Graphite Carbon Mica Lead 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 Absorption spectra Raman spectra Emission spectra Fluorescence Absorption spectra Raman spectra Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : N-heptane Iso-octane 2-methyl heptane 2,2-dimethyl hexane N-heptane Iso-octane 2-methyl heptane 2,2-dimethyl hexane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Caproic acid Butyric acid Acetic acid Formic acid Caproic acid Butyric acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Oxygen Butane Methane Hydrogen Oxygen Butane Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP