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A) Give the mathematical formula for relative density.

b) Give the SI unit of density.
c) A solid weighs 80 g in air, 64 g in water. Calculate the relative density of solid.




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Relative density of solid = weight in air / loss of weight in water

  SI unit of density =  kg / m³

 relative density = 80 / (80-64) = 5

1 5 1
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