Chemistry The gas used for filling weather balloons is Hydrogen Helium Air Nitrogen Hydrogen Helium Air Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Ether Liquid NH3 Liquid Liquid He Ether Liquid NH3 Liquid Liquid He ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Carbon Aluminium Tin Chromium Carbon Aluminium Tin Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction Substitution reaction Elimination reaction None of the options Addition reaction Substitution reaction Elimination reaction None of the options ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Petrochemicals Aluminium Cement Fertilizers Petrochemicals Aluminium Cement Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of protons in its nucleus The number of neutrons in the nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of neutrons in the nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus ANSWER DOWNLOAD EXAMIANS APP