The temperature at which gold melts is.

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Telangana Police SI Mains Exam 2022 Official Paper 4
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  1. 1064° C
  2. 1063°C
  3. 328°F
  4. None of the above

Answer (Detailed Solution Below)

Option 1 : 1064° C
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Detailed Solution

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The correct answer is Option 1 - 1064°C.

Key Points

  • Gold melts at an exact temperature of 1064°C, which is equivalent to 1947.52°F.
  • This temperature is considered the melting point of gold, where it transitions from a solid to a liquid state.
  • The melting point of gold is a critical property in various industries such as jewelry making, electronics, and manufacturing.
  • Gold's high melting point signifies its ability to remain stable under high temperatures, making it suitable for industrial and scientific applications.

Additional Information

  • Melting Point:
    • The melting point is the temperature at which a solid substance turns into a liquid.
    • For pure substances like gold, the melting point is a fixed and precise temperature.
    • It is an important physical property used to identify and characterize substances.
  • Gold (Au):
    • Gold is a chemical element with the symbol Au and atomic number 79.
    • It is highly valued for its rarity, malleability, conductivity, and resistance to tarnish or corrosion.
    • Gold has been used historically in jewelry, currency, and as an investment asset.
  • Applications of Gold's Melting Point:
    • In jewelry making, gold is often melted and cast into desired shapes.
    • In electronics, gold's melting point is crucial for soldering and creating precise connections.
    • In scientific research, gold is used in experiments that require materials resistant to high temperatures.
  • Comparisons with Other Metals:
    • Gold's melting point is lower than that of metals like iron (1538°C) and platinum (1768°C), but higher than metals like lead (327°C).
    • This makes it easier to work with gold in manufacturing processes compared to some other metals.
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