Match the following pollutants with their corresponding control methods.
Pollutants Control
A) Particulate matter I) Catalytic converter
B) Carbon monoxide II) Scrubber
C) Sulphur dioxide III) Incinerators
D) Hospital wastes IV) Electrostatic precipitator
Consider the following statements related to nitrification process:
\( (i) \, \text{Electron acceptor type vary depending on whether nitrosomonas or nitrobacter is involved.} \)
\( (ii) \, \text{Predominant carbon source is organic matter.} \)
\( (iii) \, \text{Predominant carbon source is inorganic carbon.} \)
\( (iv) \, \text{Electron donor during conversion of ammonium ions to nitrite ions is ammonium ions.} \)
Choose the correct option(s) from the following:
Principle: A minor cannot enter into a valid contract under the Indian Contract Act, 1872.
Facts: Anil, aged 16, agrees to sell his bicycle to Bharat for Rs 5,000. Bharat pays the amount, but Anil refuses to deliver the bicycle. Can Bharat enforce the contract?