alleryਐਸਿਡ ਦੀ ਵਰਤੋਂ ਕਰਕੇ ਧਾਤਾਂ ਤੋਂ ਜੰਗਾਲ ਹਟਾਉਣ ਨੂੰ ਕੀ ਕਿਹਾ ਜਾਂਦਾ ਹੈ?
Aਗੈਲਵਨਾਈਜ਼ਿੰਗ
Bਐਨੀਲਿੰਗ
Cਪਿਘਲਾਉਣਾ
Dਅਚਾਰ
Answer & Solution
Correct answer: D. ਅਚਾਰ
ਜੰਗਾਲ ਅਤੇ ਖੋਰ ਨੂੰ ਦੂਰ ਕਰਨ ਲਈ ਤੇਜ਼ਾਬੀ ਧਾਤ ਦੀ ਪ੍ਰਕਿਰਿਆ ਨੂੰ ਅਚਾਰ ਕਿਹਾ ਜਾਂਦਾ ਹੈ।
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