Chemistry · Uses of Acids
लोहे पर जस्ते की परत चढ़ाने से पहले लोहे को साफ करने के लिए किन अम्लों का प्रयोग किया जाता है?
- 1H₂SO₄ एवं HCl✓
- 2केवल HNO₃
- 3केवल H₂SO₄
- 4केवल HCl
सही उत्तर देखें
H₂SO₄ एवं HCl
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