Identify the correct statements among the following a) $\mathrm{C}_{60}$ molecule has 12 six-membered rings…
Identify the correct statements among the following
a) $\mathrm{C}_{60}$ molecule has 12 six-membered rings and 20 five-membered rings
b) $\mathrm{H}_2 \mathrm{CO}_3 / \mathrm{HCO}_3^{-}$buffer system helps to maintain $\mathrm{pH}$ of blood between 7.26 and 7.42
c) Graphite is used as a dry lubricant in machines running at high temperatures