Chemistry Bakelite is a co-polymer of Phenol and Benzaldehyde Formaldehyde Acetaldehyde Cinnaldehyde Benzaldehyde Formaldehyde Acetaldehyde Cinnaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 7.5-8 6.5-7 44052 4.5-5 7.5-8 6.5-7 44052 4.5-5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Electroplating Hot dipping Galvanising Tinning Electroplating Hot dipping Galvanising Tinning ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/6 1/4 1/3 1/8 1/6 1/4 1/3 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 Raman spectra Emission spectra Fluorescence Absorption spectra Raman spectra Emission spectra Fluorescence Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Neon Nitrogen Argon Helium Neon Nitrogen Argon Helium ANSWER DOWNLOAD EXAMIANS APP