Explore topic-wise MCQs in UPSEE.

This section includes 204 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.

201.

Hydrogen acts as a reducing agent,
A. by taking oxygen
B. by giving electrons
C. by taking hydrogen
D. Both A and B
Answer» E.
Discussion
202.

Upon oxidation of acidified potassium manganate (VII), purple color of Manganese
A. stays
B. changes to pink
C. becomes colorless
D. becomes blue
Answer» D. becomes blue
Discussion
203.

Oxidizing agents
A. are mostly non-metals
B. are mostly metals
C. decrease in oxidation state
D. are mostly transition metals
Answer» B. are mostly metals
Discussion
204.

Oxidation involves
A. loss of hydrogen
B. loss of oxygen
C. gain in hydrogen
D. gain in electrons
Answer» B. loss of oxygen
Discussion