Q. Which metal is responsible for Itai-Itai disease?
Answer: Cadmium
Notes: Cadmium poisoning can also cause softening of the bones and kidney failure. The cadmium was released into rivers by mining companies in the mountains, which were successfully sued for the damage. Itai-itai disease is known as one of the 4 Big Pollution Diseases of Japan.

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📌 Question Number: 44 in Chemistry-17-Important Metals in the above course in App.