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Which of the following fluxes are not used for the melting of Magnesium alloys?

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in Foundry and Forging by (110k points)
Which of the following fluxes are not used for the melting of Magnesium alloys?

(a) Magnesium Chloride

(b) Magnesium Chloride

(c) Barium Chloride

(d) Chlorine

This question was addressed to me at a job interview.

The doubt is from Materials used for Patterns topic in chapter Casting Processes of Foundry and Forging

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Best answer
Correct answer is (d) Chlorine

To elaborate: The Chlorine here is a gaseous flux. It is used to remove the dissolved hydrogen and entrapped dross. The entrapped dross is not present in the magnesium alloys.

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