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| 1. |
Which metal loses its meniscus after reaction with ozone ? (a) Cu (b) Pb (c) Ag (d) Hg |
| Answer» <p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Correct option (d) Hg</strong></span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Explanation:</strong></span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">Hg reacts with O<sub>3</sub> to form HgO which sticks on walls.</span></span></p> | |