Chemistry What is the element required for solar energy conversion ? Silicon Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Helium Hydrogen Argon Neon Helium Hydrogen Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CuS CaCl2 PbCl2 Zn(OH)2 CuS CaCl2 PbCl2 Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Uranium Thorium Mercury Polonium Uranium Thorium Mercury Polonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.305 0.18 0.27 0.25 0.305 0.18 0.27 0.25 ANSWER DOWNLOAD EXAMIANS APP
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