Chemistry · Chemical Reactions and Equations
ऑक्सीकरण द्वारा संक्षारण के कारण, चांदी की वस्तुओं की सतह का रंग _______ और तांबे की वस्तुओं का रंग _______ हो जाता है।
- 1धूसर (grey); नीला
- 2काला; नीला
- 3काला; हरा✓
- 4धूसर (grey); हरा
सही उत्तर देखें
काला; हरा
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