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ChemistryCHEMISTRY IN EVERYDAY LIFECHEMISTRY IN EVERYDAY LIFEEasy2 minPYQ_2020

ChemistryEasysingle choice

Sodium sulphite is used in preserving squashes and other mildly acidic foods due to

Options:

Answer:

Solution:

$K_{2} S_{2} O_{5} \to K_{2} S O_{3} + S O_{2}$

$S O_{2} + H_{2} O \to H_{2} S O_{3}$

$S O_{2}$ and sulphurous acid $(H_{2} S O_{3})$ kill the bacteria and prevent the decay of food.

Stream:NTA_ABHYASSubject:ChemistryTopic:CHEMISTRY IN EVERYDAY LIFESubtopic:CHEMISTRY IN EVERYDAY LIFE

⏱ 2mℹ️ Source: PYQ_2020

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