Purity PreLess
6th - 8th Grade
•14 Qs
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Purity PreLess
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purity of 18 carat gold?
50%
75%
80%
90%
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What percentage of pure gold is in a 14-carat gold?
50%
60%
80%
70%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many parts of the gold is made up of silver or copper in a 14-carat gold?
9 parts
8 parts
7 parts
6 parts
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many parts of the gold is made up of gold in a 14-carat gold?
6 parts
8 parts
9 parts
7 parts
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What percentage of silver is in silver marked 875?
80%
85%
75%
90%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many parts of the silver is made up of copper in silver marked 875?
100 parts
200 parts
300 parts
400 parts
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many parts of the silver is made up of silver in silver marked 875?
600 parts
900 parts
700 parts
800 parts
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