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March 15, 2025

Tamil Secondary 3 Practice 1 2025

Work 1 : read and do all the assignment mention below 15-29Download Work 2 : Read and copy the full story in a Fullscape paper neatly and tidily. tamil StoryDownload[...]

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September 16, 2024

Common chemical reactions for Sec 2

Carbon Dioxide + Water = Carbonic Acid This reaction occurs when carbon dioxide gas dissolves in water, forming a weak acid. Iron + Oxygen + Water = Hydrated Iron(III) Oxide…[...]

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September 16, 2024

Dissolution of Carbon Dioxide in Water

Chemical Reaction: When carbon dioxide (CO₂) gas dissolves in water (H₂O), it forms carbonic acid (H₂CO₃). The reaction is as follows: CO₂ + H₂O ⇌ H₂CO₃. This is a reversible…[...]

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