Which one of the following is the correct sequence of the given substances in the decreasing order of their densities?
- ASteel>Mercury>Gold
- BGold>Mercury>SteelCorrect
- CSteel>Gold>Mercury
- DGold>Steel>Mercury
Explanation
To determine the correct sequence, we compare the approximate densities of the three substances.
Gold is one of the densest naturally occurring elements with a density of approximately 19.3 grams per cubic centimeter.
Mercury is a heavy liquid metal with a density of approximately 13.6 grams per cubic centimeter.
Steel is an alloy primarily composed of iron, and its density is much lower, typically ranging between 7.7 and 8.0 grams per cubic centimeter.
Therefore, the decreasing order of density is Gold followed by Mercury and then Steel. This makes Option B the correct choice.
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