Which among the following is not an alloy?
-
Duralumin
-
Megallium
-
Britannium
-
Selenium
D
Correct answer
Explanation
Selenium is a naturally occurring chemical element (non-metal). Duralumin (aluminium-copper), Megallium (silver-palladium), and Britannium (tin-antimony-copper) are all man-made alloys created to improve material properties.