A sample of metal weighs 210 g in air,
180 g in water and 120 g in an unknown
liquid. Then, the density of metal is
(1) 6 g/cm
(2) 7 g/cm
(3) 8 g/cm
(4) 10 g/cm
Answers
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5
Answer:
(2)
Explanation:
density of solid metal = weight of metal in the air / loss of weight in water
= 210 / 210 - 180
= 210 / 30
= 7
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