Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Environmental Chemistry Toxic Chemicals
Consider the following statements:
(a) Chromium (III) chemical species is more toxic than Chromium (VI)
(b) Dimethylmercury chemical species is more toxic than methylmercury ion
(c) Arsenic (III) is more toxic than Arsenic (V)
Which of the above statements is / are correct?
1
(b) only
2
(a), (b) and (c)
3
(c) only
4
(a) and (c) only