Question

Which is a physical property of a substance?

A. It is flammable.
B. It is odourless.
C. It is corrosive.
D. It explodes when a spark is present.

Answer 1

Step-by-step explanation:

It explodes when a spark is present.. letter D

Answer 2

A. It is flammable.

Step-by-step explanation:

physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.