Which of the following transition metal is used as a catalyst (a) Nickel (b) Cobalt (c) Gold (d) Both (a) and (b) Which of the following transition metal is used as a catalyst (a) Nickel (b) Cobalt (c) Gold (d) Both (a) and (b) November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]