Question

Brass contains

• A. Gold and copper
• B. Copper and zinc
• C. Zinc and silver
• D. Copper and silver

Answer 1

The correct option is B

Copper and zinc

The explanation for the correct option.

(b) Copper and zinc:

1. Brass is a copper-zinc alloy.
2. Increased zinc content improves the material's strength and ductility.

The explanation for incorrect options:

(a) Gold and copper:

Tumbaga is an alloy mostly made of gold and copper.

(c) Zinc and silver:

Zinc is an alloy which is mostly made up of zinc and silver.

(d) Copper and silver:

Coin silver is made up of silver and copper alloy.

Hence, option (b) is the correct option.