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1. When Calcium Carbonate CaCO3 is heated strongly , it decomposes to give CO2 and H2O
2. Sunlight is required to activate chlorophyll which synthesizes glucose from carbon dioxide and water
3. Strong Heat is required to decompose KClO3 which gives out Oxygen when decomposed
4. Sodium is an Alkali Metal which reacts with water to liberate Hydrogen Gas ( Impure) and Sodium hydroxide is formed . The reaction is highly exothermic
5. A double decomposition reaction occurs between silver nitrate and sodium chloride , a white precipitate is formed which is Silver Chloride and Sodium Nitrate is also formed .
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