18 Is the statement below true or false? “When a person drinks a liquid through a straw at sea level, the atmosphere pushes the liquid into their mouth A true B false 19 Which of these four values are intensive properties? | half-life || Ka value III boiling point I density A only IV B only III and IV Conly II, III, and IV D all of these E only I and IV F none of these 20 The element mercury at room temperature has a density of 13.5g/cm3. What is the density of 10 grams of mercury? A 10g B 10g/cm3 C 13.5g D 13.5g/cm3 E 135g F 135g/cm3 I
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