The spin-only magnetic moment of \( \text{Cr}^{3+} \) cation is ___________.
The linkage present in Lactose is ___________.
The pH of a 0.001 M HCl solution is ___________
Calculate the time required to deposit 2.4 g of Cu, when 2.03 A of current is passed through \( \text{CuSO}_4 \) solution.
(At. mass of Cu = 63.5 g mol\(^{-1}\))