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.

Like white phosphorus, which phosphorus also exists as P4?

A. Black phosphorus
B. Red phosphorus
C. Phosphine
D. Beta-black phosphorus
Answer» C. Phosphine
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