sulphurous acid solutions changes
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Sulfur dioxide dissolves in water to give solutions that contain sulfurous acid, H2SO3.
Sulfurous acid forms both acid sulfites (also called bisulfites), such as NaHSO3, sodium hydrogen sulfite, and normal sulfites, such as Na2SO3, sodium sulfite.
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Answer:
Sulphurous acid turns ________.
Medium
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Correct option is
A
blue litmus into red
Sulphurous acid (H
2
SO
3
) is an acid. The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions. So sulphuric acid turns blue litmus into red.
Explanation:
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