Which one of the following is the correct sequence of substances havin

Which one of the following is the correct sequence of substances having densities in decreasing order?

Iron, Water, Honey, Air
Iron, Honey, Water, Air
Iron, Honey, Air, Water
Water, Iron, Air, Honey
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UPSC Geoscientist – 2020
The correct sequence of substances in decreasing order of density is Iron, Honey, Water, Air.
Density is defined as mass per unit volume. Generally, solids are denser than liquids, and liquids are denser than gases. Among liquids, denser substances have more mass packed into the same volume.
Typical densities are: Iron (~7.87 g/cm³), Honey (~1.42 g/cm³), Water (~1.00 g/cm³), Air (~0.0012 g/cm³ at sea level and 15°C). This confirms the order: Iron > Honey > Water > Air.
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