Cigarette or gas lighter is made up of
Misch metal
Alkali metal
Noble metal
None
Which of the following match is INCORRECT :
Calculate the magnetic moment of a divalent ion in aqueous solution if its atomic number is $25$
Transition elements show high melting points. Why?
Which of the following complex ion has a magnetic moment same as $[Cr(H_2O)_6]^{3+}$ ?