Gold Design Gold Jewelry Properties 2

Question 1

A ring marked 18K is what percentage pure gold?

Accepted Answer

75%

Answer

58.3%

Answer

91.7%

Answer

100%

Question 2

Why is pure 24K gold rarely used for everyday rings?

Accepted Answer

It is too soft and dents easily

Answer

It tarnishes quickly

Answer

It is magnetic

Answer

It is heavier than lead

Question 3

What metal is most commonly alloyed with gold to create white gold?

Accepted Answer

Nickel or palladium

Answer

Copper

Answer

Iron

Answer

Lead

Question 4

Rose gold gets its warm pink hue primarily from which added metal?

Accepted Answer

Copper

Answer

Silver

Answer

Zinc

Answer

Platinum

Question 5

Which karat value is the most common standard for fine jewelry in the United States?

Accepted Answer

14K

Answer

9K

Answer

22K

Answer

24K

Question 6

What does the hallmark '750' stamped inside a band indicate?

Accepted Answer

75% gold, equal to 18K

Answer

750 grams of gold

Answer

750 karat

Answer

Year of manufacture

Question 7

Why is gold considered an excellent material for jewelry that resists corrosion?

Accepted Answer

It is chemically unreactive and does not rust

Answer

It is radioactive

Answer

It absorbs water

Answer

It is magnetic