The relative densities of zinc, brass, copper, gold and s...
The relative densities of zinc, brass, copper, gold and silver are respectively 7.1, 8.5, 8.9, 19.3, 10.5. A metal ornament which weighs 0.425kg and can displace 50 x 10-6m3 of water is made of
zinc
brass
copper
gold
silver
Correct answer is B
R.D = density of objectdensity of water
= \frac{\frac{0.425}{50 10^-6}{1000}
= 8.5