Observe the given diagram and answer the following questions:
In the absence of X, what alternative reagent can be used?
[1 Mark]
A
Salt solution
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B
Magnesium hydroxide
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C
Iodine solution
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D
Sodium hydroxide
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Solution
The correct option is D Sodium hydroxide In the absence of X, sodium hydroxide can be used as a reagent to remove carbon dioxide from the air present in the glass bottle.