Pick the odd one out and give scientific reasons-
1. K, Fe, C, Hg, Au
2. tinning, greasing, painting, ductility
please answer properly

The molecular weight of carbon dioxide, co2, is 44.00 amu, and the molecular weight of nitrous dioxide, no2, is 46.01 amu, so no2 diffuses co2

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

How to calculate the mass of copper