Question

Select 2

Which of these are extensive properties?

1.a substance has a volume of 5.4 mL

2.a substance is very malleable (it can be hammered into a shape)

3.a substance has a melting point of 40°C

4.a substance has a mass of 1.25 g

5.a substance has a density of 4.13 g/cm³

Answer 1

1&4
Extensive properties means that the outcome or some type of measurement in dependent on the amount of the substance/sample.
Volume is dependent on amount of substance and so is mass