Which of the following is not matter?
Feeling of cold
The explanation for the correct option:
Anything which has mass and occupies space is called matter.
(B) Feeling cold is something that somebody is feeling hence neither does it has any mass nor does it occupy space.
The explanation for the incorrect option:
Anything which has mass and occupies space is called matter.
A. Air has mass and it occupies space hence it is called matter.
C. Dust has mass and it occupies space hence it is matter.
D. Humidity is the amount of water vapor in the air. Humidity has mass and it occupies space hence it is called matter.
Hence the correct option is B.