Science · Chemistry
Which of the following acid combinations is used to clean iron before galvanization?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1H₂SO₄ and HNO₃✓
- 2HCl and HNO₃
- 3H₂SO₄ and HCl
- 4CH₃COOH and H₂SO₄
Correct answer
H₂SO₄ and HNO₃
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