Question

Which of the following materials is both lustrous and sonorous? ​

• A. Graphite
• B. Diamond
• C. Manganese
• D. Wood

Answer 1

The correct option is C Manganese

Lustre and sonority are the properties of metals​

• Lustre - The ability of a material to shine.​
• Sonority - The property of a material by which it produces a ringing sound when struck.

Among the given options- graphite, and wood are neither lustrous nor sonorous. Diamond is lustrous but not sonorous. So they are all non-metals. ​
Manganese is a metal which has the properties - lustre and sonority. Hence, manganese is the correct answer.