GATE ES · 2023 · ES
Question 43: Soil contamination
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Question 43
ESMCQ2 marksNeeds review
Read the following statements
I. Trivalent chromium has relatively low aqueous solubility, and low mobility in the soil environment. By contrast, hexavalent chromium has a higher aqueous solubility and greater mobility in the soil environment.
II. The chemical reaction between trivalent chromium and zero-valent iron will result in transformed version called hexavalent chromium.
III. Hexavalent chromium is a known carcinogen.
IV. Trivalent chromium has relatively higher human toxicity as compared to hexavalent chromium.
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2023ES
GATE ES 2023 · Paper 1
Environmental Science and Engineering · Original paper archive
- Section
- Environmental Science and Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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