Science · Chemistry

Which combination of acids is typically used to clean iron sheet surfaces before galvanization (coating with zinc)?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1H2 SO4 and HNO3
2HCl and HNO3
3H2 SO4 and HCl✓
4CH3 COOH and H2 SO4

Correct answer

H2 SO4 and HCl

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