Question

Though mercury is a liquid at room temperature, its density is ________ than that of iron

Answer 1

1. The density of mercury is $13.54g/cc$ and that of iron is $7.8g/cc$
2. So an iron coin can float onto the mercury surface.
3. Mercury is liquid at room temperature yet it has greater density than iron

Hence, Though mercury is a liquid at room temperature, its density is more than that of iron