9. This form of matter has no fixed shape, but it has a fixed volume. An example of this form is
Kerosene
Explanation for correct option:
(B):Characteristics of Solids, liquid, and Gases :
Kerosene is oil that exists in liquid form. Liquids do not have a fixed shape but they have fixed volume.
Explanation for incorrect options:
(A): Nitrogen is a gas and gases do not have a fixed shape and fixed volume.
(C): Steel is a solid and solids do have a fixed shape and fixed volume.
(D): Carbon dioxide is a gas and thus, it does not have a fixed shape and fixed volume.
Hence, the correct answer is option is (B).