Sr. # | Questions | Answers Choice |
---|---|---|
1 | A yellow solid element exists in allotropic forms whic is also present in fossil fuel. Indicate the name | Iodine Carbon Sulphur Aluminium |
2 | Which is the softtest metal. | Zn Ca Na Al |
3 | In which period and group yu will place the elemnt whic is an important part of the solar cell? | Third period and Sixth a grop Group 16 Third priod and forth A group Group 14 Second period and forth A group Group Third prod and fifth A group Group 15 |