Question

3.(iv) Which of the following material is not lustrous?

• A. Gold
• B. silver
• C. wood
• D. diamond

Answer 1

The correct option is C

wood

Explanation for the correct option:

The term "lustrous" refers to a shining appearance.

(c) Wood isn't shiny. It has dull appearance.

Explanation for the incorrect options:

(a), (b) and (d)

• Lustrous materials can be found in a lot of jewelry.
• It include gold, silver, and diamond are bright and gleaming.

Hence option (c) is correct.