Chemistry
NULL
Medium
Question
Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?
A
As nitrometer
B
To remove air bubbles from molten metal
✓ Official correct answer
C
To produce alloy
D
As insulator
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A
As nitrometer
No member explanations yet for this option.
B
To remove air bubbles from molten metal
No member explanations yet for this option.
C
To produce alloy
No member explanations yet for this option.
D
As insulator
No member explanations yet for this option.
Explanation
Aluminium's ability to react with both oxygen and nitrogen makes it useful for removing air bubbles (and dissolved gases) from molten metal, acting as a deoxidizing/degassing agent.
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