The correct option is
B Vacuum
Matter:
- Matter is anything that occupies space and has mass.
- Solid, liquid, and gases are three states of matter.
- Examples: Air, chair, pen, etc.
Option (b): Vacuum
- Vacuum can be defined as a place without any matter.
- If we remove air from a confined place, then a vacuum can be created.
- Vacuum is not considered as matter as it is void space.
Option (a): Table
- Table is considered as matter because it occupies space and has mass.
Option (c): chalk
- Chalk is considered as matter because it occupies space and has mass.
Option (d): chair
- Chair is considered a matter because it occupies space and has mass.
Option (e): stone
- Stone is considered as matter because it occupies space and has mass.
Hence, among the given options vacuum is odd because it is not a matter.
Thus, option (b) is the correct option.