Sulphur dioxide is dash
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sulphuric acid is a dehydrating agent
Explanation:
Concentrated Sulphuric Acid is used as a drying and Dehydrating agent because it has a strong affinity for water and thus it absorbs water quickly.
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Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula SO
2. It is a toxic gas responsible for the smell of burnt matches. It is released naturally by volcanic activity and is produced as a by-product of copper extraction and the burning of fossil fuels contaminated with sulfur compounds.
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