Answer
(a) intensive
(b) intensive
(c) extensive
(d) intensive
(e) intensive
Work Step by Step
(a) intensive
Color is an intensive property of a substance because it does not depend on how much of the substance there is.
(b) intensive
The reactivity of a substance is an intensive property because it does not depend on how much of the substance there is.
(c) extensive
The mass of a substance is an extensive property because its value depends on how much of a substance there is.
(d) intensive
Solubility is an intensive property of a substance because it does not depend on how much of the substance there is.
(e) intensive
The reactivity of a substance is an intensive property because it does not depend on how much of the substance there is.