Give reason:
On opening a bottle of cold drink, a fizz sound is heard.
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Cold drinks bottles contain dissolved carbon dioxide under high pressure. On opening the bottle, the pressure decreases and the gas releases out producing a fizz sound.
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Silica gel pouches are kept in unused water bottles.
Table salt becomes moist during rainy season.
Give balanced chemical equations for the reaction of water with:
(a) Sodium
(b) Iron
(c) Carbon dioxide
(d) Sodium oxide
What is metal activity series?