The Secret Life of Gold Quiz

What is the primary use of gold in electronics?

• To act as a heat insulator

• To increase the weight of the device

• To conduct electricity and prevent corrosion

• To make devices look more attractive

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How much gold is typically used in a cellphone?

• 2 grams

• 0.5 grams

• 1 gram

• 0.034 grams

What event is believed to have led to the formation of gold?

• The Big Bang

• The collision of two neutron stars

• The explosion of a supernova

• The formation of the Earth

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What is the most stable form of matter mentioned in the text?

• Helium

• Carbon

• Iron

• Gold

What is a neutron star primarily composed of?

• Protons and electrons

• Neutrons and protons

• Gold and silver

• Hydrogen and helium

What is the significance of 24-karat gold?

• It is pure gold

• It is an alloy with 50% gold

• It is gold mixed with copper

• It is gold mixed with silver

What process in stars leads to the creation of heavier elements?

• Nuclear fission

• Nuclear fusion

• Radioactive decay

• Electrolysis

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What is the estimated mass of gold created in the neutron star collision?

• Equal to the mass of the Earth

• Twice the mass of the Earth

• Between 3 and 13 times the mass of the Earth

• Half the mass of the Earth

What is the role of meteorites in the distribution of gold on Earth?

• They vaporized gold into the atmosphere

• They destroyed gold deposits

• They concentrated gold in the Earth's core

• They embedded gold in the Earth's crust

Why are alloys more practical than pure gold for most applications?

• Pure gold is too abundant

• Alloys are more expensive

• Pure gold is too hard

• Alloys are stronger and more affordable