Which one of the following statements shows the correct percentage of carbon in steel, pig iron and wrought iron
Steel containing less than $0.15\%$ carbon; wrought iron $0.15$ to $2.0\%$ carbon; and pig iron over $2\%$ carbon
Pig iron less than $0.15\% $ carbon; wrought iron $0.15 $ to $2.0\%$ carbon; and steel over $ 2\% $ carbon
Wrought iron less than $0.15\%$ carbon; steel $0.15$ to $2.0\%$ carbon; and pig iron over $ 2\%$ carbon
Wrought iron less than $ 0.15\%$ carbon; pig iron $0.15$ to $2.0\%$ carbon; and steel over $2.0\%$ carbon
The form of iron having the highest carbon content is
The correct formula of permanganic acid is
Correct statement for $CeO_2$ is/are
$(1)$ It is Diamagnetic in nature
$(2)$ It is a good oxidising agen
$(3)$ It is colourless compound
Passing $H_2S$ gas into a mixture of $Mn^{+2}, Ni^{+2}, Cu^{+2}$ and $Hg^{2+}$ ions in an acidified aqueous solution precipitates
Why do the transition elements exhibit higher enthalpies of atomisation?