Question

Classify the following substances whether they will float or sink in water. Gold, kerosene, cork, copper.
according to relative density

Answer 1

Answer:

gold sinks

kerosene floats

cork floats

copper sinks

hope it helps

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Answer 2

Classification of the given substances whether they will float or sink in water.

Explanation:

• The list of the given item includes Gold, kerosene, cork, and copper. They are to be classified based on their relative density.
• The first thing is we have to find the standard value of relative density of the given substances.
• They are as follows:

1. Gold - 19.3
2. Kerosene - 0.81
3. Cork - 0.25
4. Copper - 8.96

• The concept involved here is that, if the value of relative density of a substance is less than 1, the substance will float in water.

• On the other hand, if the value of relative density of a substance is more than 1, the substance will sink in water.
• As per the above data, based on the relative density of the given substance the following conclusion can be drawn:

Substances that floats in water: (Relative density < 1)

• Kerosene as its relative density is 0.81
• Cork as its relative density is 0.25

Substances that sinks in water: (Relative density > 1)

• Gold as its relative density is 19.3
• Copper as its relative density is 8.96