GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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____ Base is used to absorb acidic gases (e.g., CO2, SO2).
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Sodium hydroxide
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Potassium hydroxide
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Sodium bicarbonate
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Ammonia
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Explanation:
Detailed explanation-1: -Potassium hydroxide absorbs carbon dioxide from the atmosphere. Potassium hydroxide is used in the experiment to prove that carbon dioxide is important for photosynthesis.
Detailed explanation-2: -Potassium hydroxide, also known as lye is an inorganic compound with the chemical formula KOH. Also commonly referred to as caustic potash, it is a potent base that is marketed in several forms including pellets, flakes, and powders.
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