based on jee syllabus (& ncert). relevant for main and advance.
| Front | Carbide formation leads to -increase in m.p-decrease in hardness-decrease in malleability and ductility-no change in electrical conductivityWhich is/are true? |
| Back | 1st, 3rd and 4th. It causes increase in hardness |
| Front | Which of these show rxn with water?(C, Si, Ge, Sn, Pb) |
| Back | Sn only |
| Front | ___ is the purest form of Carbon as it has no ____. |
| Back | Fullerene; dangling bonds |