Zinc forms two important alloys, $(i)$ Brass and $ (ii) $ German silver. Metals present in them mainly are
In $ (i) $ zinc and tin; and in $ (ii) $ zinc, silver and nickel
In $ (i) $ zinc and iron; and in $(ii)$ zinc, nickel and cobalt
In $ (i)$ zinc and copper; and in $(ii)$ zinc, copper and nickel
In $(i)$ zinc and aluminium; and in $ (ii) $ zinc, nickel and aluminium
Which of the following is the weakest reducing agent
A blue colouration is not obtained when
What is the magnetic moment of ${[Fe{F_6}]^{3 - }}$
Nickel steel contain $\%$ of $ Ni$
The element exhibiting most stable $ + \,2$ oxidation state among the following is