Question

    Aqua regia is a mixture

    of:
    A HCl & HNO₃ Correct Answer Incorrect Answer
    B HCl & H₂SO₄ Correct Answer Incorrect Answer
    C H₂SO₄ & HNO₃ Correct Answer Incorrect Answer
    D H₂SO₄ & HF₄ Correct Answer Incorrect Answer

    Solution

    Aqua regia is a mixture of 3 parts hydrochloric acid (HCl) and 1 part nitric acid (HNO₃), used to dissolve noble metals like gold and platinum.

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