Question
Which of the following ranges of particle size defines nano scale ?
MHT CET
Chemistry
Surface Chemistry
2026
MHT CET 2026 (19 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. 10 - 100 nm
- B. 1000 - 2000 nm
- C. 1 - 100 nm
- D. 100 - 1000 nm
Answer
C. 1 - 100 nm
Step-by-step solution
Nanoscale is defined as the size range from 1 nm to 100 nm. Particles with at least one dimension in this size range are considered nanoparticles. Answer: 1 - 100 nm
Related: Chemistry — Surface Chemistry · All PYQ Banks