Explore topic-wise MCQs in Environmental Engineering.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Ferric chloride is effective over a pH range of __________

A. 3.5-6
B. 6.5-8
C. 3.5-6.5
D. 2-5
Answer» D. 2-5
Discussion
2.

The chemical composition of Chlorinated Copperas is __________

A. Fe<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub> + FeCl<sub>3</sub>
B. FeSO<sub>4</sub>.9H<sub>2</sub>O
C. FeSO<sub>4</sub>.18H<sub>2</sub>O
D. Fe<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub>
Answer» B. FeSO<sub>4</sub>.9H<sub>2</sub>O
Discussion
3.

The chemical compound which is insoluble in water, formed when alum is added to water is _____________

A. Al (OH)<sub>3</sub>
B. CaSO<sub>4</sub>
C. CO<sub>2</sub>
D. Ca (OH)<sub>3</sub>
Answer» B. CaSO<sub>4</sub>
Discussion
4.

The chemical composition of Alum is _____________

A. Al<sub>2</sub> (SO<sub>4</sub>)<sub>3</sub>.18H<sub>2</sub>O
B. Al<sub>2</sub> (SO<sub>4</sub>)<sub>2</sub>.18H<sub>2</sub>O
C. Al<sub>3</sub> (SO<sub>4</sub>)<sub>2</sub>.18H<sub>2</sub>O
D. Al<sub>4</sub> (SO<sub>4</sub>)<sub>3</sub>.18H<sub>2</sub>O
Answer» B. Al<sub>2</sub> (SO<sub>4</sub>)<sub>2</sub>.18H<sub>2</sub>O
Discussion