By annealing, steel
When the quenched steel is heated to temperature below red hot and then allowed to cool slowly. It becomes soft. This process is known as annealing.
Transition elements exhibits variable valencies because they release electrons from the following orbits
The transition elements are more metallic than the representative elements because they have
Which forms interstitial compounds?
Permanent magnets are generally made of alloys of
Which oxide of manganese is amphoteric?
Among the following pair of ions, the lower oxidation state in aqueous solution is more stable in
Purple of cassius is
The properties of Zr and Hf are similar because
Carbon in wrought iron is present as
Which of the following is called white vitriol?