Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following iswhy the atomic radii of the second and third transition series are almost same?

A. Actinoid contraction
B. Radioactive nature
C. Lanthanoid contraction
D. Filled d-orbital
Answer» D. Filled d-orbital
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