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Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgO


Quench the entire sample in water
Quench half of the sample in water
Cool the entire sample with air jets
Cool half the sample with air
Submerge the sample in a salt bath of Na2O
Submerge the sample in a salt bath of CaO

  • chemistry -

    Quench the entire sample in water
    Cool the entire sample with air jets
    Submerge the sample in a salt bath of CaO

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