Question

The toxic heavy metals from various industries which cause water pollution, normally have a density

• A. more than 12.5 g/cm3
• B. more than 5 g/cm3
• C. more than 15 g/cm3
• D. more than 7.5 g/cm3

Answer 1

Answer: (B)

more than 5 g/cm3

Answer 2

The correct answer is (B) : more than 5 g/cm3.