![At what concentration can the taste and smell of sulphur dioxide be detected?](https://www.gkseries.com/blog/wp-content/uploads/2021/12/At-what-concentration-can-the-taste-and-smell-of-sulphur-dioxide-be-detected.png)
Q. At what concentration can the taste and smell of sulphur dioxide be detected?
- 1000-2000ppm
- 11-30ppm
- 500-700ppm
- 0.1-0.3ppm
Answer: 0.1-0.3ppm
Answer: 0.1-0.3ppm
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