Lightest gold nugget in the world discovered
Q. Scientists in Switzerland have discovered a ___ carat gold nugget 1000 times lighter than normal gold and can float on milk foam.- Published on 27 Nov 15a. 18
b. 20
c. 21
d. 22
ANSWER: 22
Scientists have discovered a 20 carat gold nugget that is 1000 times lighter than traditional gold metal and can float on milk foam. It is the lightest gold nugget created and is 100 times lighter than conventional gold alloys. This gold nugget is soft and malleable. It is light because it contains 98 parts air and two parts solid material.
