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Which one of the following fluxes is use...

Which one of the following fluxes is used to remove acidic impurities in metallurgical processes?

A

Silica

B

Sodium chloride

C

Limestone

D

Radium carbonate

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The correct Answer is:
C
Limestone
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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-I ( OBJECTIVE QUESTIONS )) (Fill in the blanks)
  1. Which one of the following fluxes is used to remove acidic impurities ...

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