Difficulty: Medium
Average Score: 80%
Entry Exam
Which of the following substances is most dense?
Correct answer
B
Rationale
The correct answer is 'B: A cube weighing 6g and having a volume of 0.91cm?é??.' Density is calculated as mass divided by volume. For each option: A) 12g/4.6cm?é?? ?óÔÇ??å 2.61 g/cm?é??, B) 6g/0.91cm?é?? ?óÔÇ??å 6.59 g/cm?é??, C) 143g/24.3cm?é?? ?óÔÇ??å 5.88 g/cm?é??. Therefore, option B is the most dense with a density of approximately 6.59 g/cm?é??.