Question

Red brass contains around ____________ % antimony.

(a) 0.75

(b) 0.20

(c) 0.25

(d) 0.15

This question was posed to me in examination.

My doubt stems from Properties of Copper and its Alloys-2 topic in portion Copper and its Alloys of Aerospace Materials & Processes

Answer 1

The correct option is (c) 0.25

Easiest explanation: Red brass is an alloy that is also sometimes referred to as a bronze material due to its quantity of tin. Red brass contains around 0.25 per-cent of antimony and around 84 to 86 percent of copper.