Chemistry Which of the following elements is non-radioactive ? Thorium Plutonium Zirconium Uranium Thorium Plutonium Zirconium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [CoF6]3+ [Ti(H2O)6]3+ [CrO4]2− [Cu(NH3)4]2+ [CoF6]3+ [Ti(H2O)6]3+ [CrO4]2− [Cu(NH3)4]2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A homogeneous mixture A compound A heterogeneous mixture A suspension A homogeneous mixture A compound A heterogeneous mixture A suspension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Mist Fog Sleet Smog Mist Fog Sleet Smog ANSWER DOWNLOAD EXAMIANS APP