Bidriware, a unique metalwork technique, features silver inlay on:

The correct answer is: Brass.

Bidriware is a unique metalwork technique that originated in the Indian subcontinent. It features silver inlay on a base of brass. The silver is inlaid into the brass using a technique called “repoussé”, which involves hammering the silver into the desired shape. The inlay is then polished to a high shine.

Bidriware is known for its intricate designs and its beautiful finish. It is often used to make jewelry, utensils, and other decorative items.

Here is a brief explanation of each option:

• A) Brass is an alloy of copper and zinc. It is a reddish-brown metal that is often used in decorative metalwork.
• B) Copper is a reddish-brown metal that is often used in electrical wiring and plumbing. It is also used in jewelry and other decorative metalwork.
• C) Oxidized metal alloy is a metal alloy that has been treated with a chemical to create a black or brown oxide layer. This layer can be used to create a variety of decorative effects.
• D) Gold is a yellow metal that is often used in jewelry and other decorative metalwork. It is also used in coins and other currency.