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The correct answer is [B]. When excess carbon dioxide is passed through lime water, the initially formed insoluble calcium carbonate reacts further with CO₂ and water to form water-soluble calcium bicarbonate, causing the milkiness in lime water to disappear. 2026 board ...
The name of the reaction that converts alkenes (A) into alkanes (C) is hydrogenation. The condition which are necessary for this reaction are the present of a catalyst (Ni) and the temperature should be 423 K. 2026 board exam extra sample ...
