![Which one of the given is hydracid?](https://www.gkseries.com/blog/wp-content/uploads/2021/12/Which-one-of-the-given-is-hydracid.png)
Q. Which one of the given is hydracid?
- H₃PO₄
- H₂SO₄
- HCN
- HNO₃
Answer: HCN
Answer: HCN
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