Question detail

What does the term 'carat' refer to in relation to gold alloys?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Using materials

Question

A. The weight of the gold
B. The purity of the gold
C. The color of the gold
D. The hardness of the gold

Answer

The purity of the gold

Explanation

Carat is a measure of the purity of gold in an alloy, with 24 carats being pure gold.

Common mistake

Misinterpreting Alloy Composition

Students often confuse the composition of an alloy with that of a pure metal, failing to recognize that alloys contain multiple elements.

To fix this, students should focus on understanding that alloys are mixtures of different metals or metals with non-metals, and practice identifying the components of various alloys.

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