Correct Answer - Option 3 : Lead
The specific gravity of the same other materials is
|
Material
|
Specific gravity
|
|
Balsa wood
|
0.2
|
|
Oakwood
|
0.75
|
|
Ethanol
|
0.78
|
|
Olive oil
|
0.91
|
|
Water
|
1
|
|
Ironwood
|
1.5
|
|
Graphite
|
1.9–2.3
|
|
Table salt
|
2.17
|
|
Aluminum
|
2.7
|
|
Cement
|
3.15
|
|
Iron
|
7.87
|
| Brass |
8.4 |
|
Copper
|
8.96
|
|
Lead
|
11.35
|
|
Mercury
|
13.56
|
|
Depleted uranium
|
19.1
|
|
Gold
|
19.3
|
|
Osmium
|
22.59
|
So from the specific gravity value, Specific gravity of lead is more.
