Steel is manufactured from
Wrought iron
Cast iron
$(a)$ and $ (b)$ both
Haematite
Which one of the following compounds is not coloured
Which of the following alloys contain only $Cu $ and $Zn$
What is enthalpy of atomisation ? Explain. OR Write a note on enthalpy of atomisation.
The "spin-only" magnetic moment [ in units of Bohrmagneton, $(\mu _B )$ ] of $Ni^{2+}$ in aqueous solution would be (At. No. $Ni= 28)$
Which forms coloured salts