GATE ES topic:soil-contamination PYQs & Answers

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–1 of 1. Imported answers require independent review unless marked reviewed.

Topic practice 1 questionsPage 1 of 1

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.

The correct choice is

Your answerChoose one option.

IV is correct; I and III are incorrect

II is correct; I and IV are incorrect

I and III are correct; II and IV are incorrect

I, II and IV are correct; III is incorrect

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE ES topic:soil-contamination PYQs

How to practice topic:soil-contamination

Question 43