Read the given passage and fill in the blanks by choosing an appropriate option.
Non-metals find wide applications in industries. For example i is used in electrodes, ii is used in welding metals, iii is used to make antiseptic creams while iv is used as a preservative due to its inert nature.
| (i) | (ii) | (iii) | (iv) | |
| A | Carbon | hydrogen | chlorine | Phosphorus |
| B | Hydrogen | oxygen | chlorine | nitrogen |
| C | Graphite | hydrogen | sulphur | nitrogen |
| D | Phosphorus | sulphur | oxygen | carbon |
b is the ans