a. CO2
b. Methyl Isocyanate
c. CFC
d. Methyl Cyanate
Answer: b. Methyl Isocyanate
Explanation: On the night of December 2-3, 1984 a cloud of methyl iso-cyanate (MIC) was formed in Bhopal, Madhya Pradesh. The cause of the leak was from a pesticide plant in union carbide India limited. Gas has had serious health and long-term effects. Leaking adverse effects lead to the deaths of more than 3000 people. Side effects include nausea, vomiting, pulmonary edema and cerebral edema. It also brought about genetic mutations that caused genetic disorders.