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Friday, August 31, 2012

SCIENCE QUIZ-213


SCIENCE QUIZ-213

1. What is the chemical symbol of gold?
2. True or false? Steel is a chemical element.
3. What is the most common metal found on Earth?
4. True or False? Sodium is a very reactive metal.
5. What three kinds of medals are awarded at the Olympic Games?
6. True or false? Metal bonding with metal is known as a metallic bond.
7. Bronze is made from what two metals?
8. What is the only metal that is liquid at room temperature?
9. True or false? Sterling silver is made up of less than 50% silver by weight.
10.What metal has the chemical symbol Pb?


SCIENCE QUIZ-213 Answers

1. Au
2. False - Alloy
3. Iron
4. True
5. Gold, silver and bronze
6. True
7. Copper and tin
8. Mercury
9. False - Over 92%
10. Lead

                                                                 Prof.  John Kurakar

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