Among the following
CHEMISTRY · Single correct · CBSE · Chemistry · Hydrocarbons · Hydrocarbons
Problem
Among the following, find the correct statements:| (i) | Coal, petroleum, and natural gas are called fossil fuels. |
| (ii) | Coal and natural gas are exhaustible substances. |
| (iii) | CNG is more polluting than petrol. |
| (iv) | Coke is used in the manufacture of steel. |