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Class 9ScienceIS MATTER AROUND US PURE?Mix Example - IS MATTER AROUND US PURE?
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What are the favourable qualities given to gold when it is alloyed with copper or silver for the purpose of making ornaments?

  • A
    It increases the melting point of gold.
  • B
    It provides hardness and strength to the gold.
  • C
    It changes the chemical composition of gold.
  • D
    It makes gold more malleable.
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Class 9

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IS MATTER AROUND US PURE?

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Mix Example - IS MATTER AROUND US PURE?

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