Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.78 1 0.01 0.21 0.78 1 0.01 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? Ag S P Na Ag S P Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Methane Acetylene Propylene Ethylene Methane Acetylene Propylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Lead Molybdenum Mercury Manganese Lead Molybdenum Mercury Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Proton Neutron Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP