Understanding Gold Alloy Composition

What is the main characteristic of a 12 karat gold alloy?

• It is made of pure gold.

• It contains 12% gold.

• It is more valuable than 24 karat gold.

• It is a mixture of gold and other metals.

Which formula is used to calculate the percentage of gold in a gold alloy?

• Carat Purity + 24 * 100

• Carat Purity / 24 * 100

• Carat Purity - 24 / 100

• Carat Purity * 24 / 100

If a gold alloy is 12 karat, what percentage of it is gold?

• 100%

• 50%

• 25%

• 75%

How do you determine the percentage of other metals in a gold alloy?

• Subtract the percentage of gold from 100.

• Multiply the percentage of gold by 2.

• Divide the percentage of gold by 2.

• Add the percentage of gold to 100.

In a 12 karat gold bar, what is the percentage of other metals present?

• 100%

• 75%

• 50%

• 25%