Question

which substance have same relative density of water​

Answer 1

Answer:

Relative density, or specific gravity, is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. Specific gravity for liquids is nearly always measured with respect to water at its densest (at 4 °C or 39.2 °F); for gases, the reference is air at room temperature (20 °C or 68 °F). The term "relative density" is often preferred in scientific usage.

Answer 2

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An ice cube, with a relative density of about 0.91, will float. A substance with a relative density greater than 1 will sink.