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If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when ...

If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when immersed in water?
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  • A 380g
  • B 400g
  • C 360g
  • D 39g
  • E 180g
Correct Answer: Option A
Explanation:
R.d = 19, therefore, density = 19gcm-3
mass = velocity x density
= 20 x 19
= 380g

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