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Standard XII
Chemistry
Preparation of Carboxylic Acids
Which is used...
Question
Which is used as an acidic flux in metallurgy?
A
C
O
2
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B
Graphite
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C
Sand
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D
Gas carbon
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Solution
The correct option is
C
Sand
Acidic fluxes are used to remove basic impurities from the metal ore. The most commonly used acidic flux is sand(silica).
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Similar questions
Q.
Whcih one of the following is used as an acidic flux in metallurgy?
Q.
STATEMENT-1 :
S
i
O
2
is used as an acidic flux in metallurgy.
STATEMENT-2 :
S
i
O
2
removes basic impurities forming a slag.
Q.
Which of the following is used as acidic flux?
Q.
Assertion :A solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound. Reason: Carbon dioxide (
C
O
2
) is slightly acidic in nature. Hence KOH, which is a strong alkali, dissolves
C
O
2
evolved from the compound containing carbon and reacts with it to form
K
2
C
O
3
. Increase in the weight of potash bulbs will give the weight of
C
O
2
evolved.
Q.
To remove basic impurities acidic flux is used while to remove acidic impurities ___ flux is used.
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