A) A biodegradable insecticide
B) A weedicide containing dioxin
C) Colour used in fluorescent lamp
D) A hazardous chemical used in luminous paints
Correct Answer: B
Solution :Agent orange, so called because of distinctive orange stripe on its packaging, combines equal parts of 2, 4-D and 2, 4, 5-T; was later on found to contain a highly poisonous chemical dioxin as impurity.
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