Question

A triangle has perimeter 38 cm. A square has perimeter 48 cm. Two sides of the shapes are put together to make a pentagon. (It looks like a house). What is the perimeter of the pentagon?

Answer 1

Answer:

The ability of transition metals to physically and chemically adsorb gases is emphasised in heterogeneous catalysis AND the ease in change of oxidation state (oxidation number) where transition metal ions act as homogeneous catalysts.