Stainless steel does not rust because
Chromium and nickel combine with iron
Chromium forms an oxide layer and protects iron from rusting
Nickel present in it, does not rust
Iron forms a hard chemical compound with chromium present in it.
The transition metals mostly are
Which of the following is used as white pigment
Amongst $Ti{F_6}^{2 - }\,,\,Co{F_6}^{3 - }\,,\,C{u_2}C{l_2}$ and $NiCl_4^{2-}$ the colourless species are
Which of the following weighs less when weighed in magnetic field
Which of the following statements is incorrect