Chemistry Vulcanized rubber contains sulphur 0.02 3-5% 7-9% 10-15% 0.02 3-5% 7-9% 10-15% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Dmitri Mendeleev Henry Moseley John Dalton Julius Lothar Meyer Dmitri Mendeleev Henry Moseley John Dalton Julius Lothar Meyer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Barium Magnesium Silver Copper Barium Magnesium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of naturally occurring elements 62 110 98 92 62 110 98 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Cu Pt Ni Pb Cu Pt Ni Pb ANSWER DOWNLOAD EXAMIANS APP