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Chemistry Acid, Base And Salts Difficulty: Medium

The pH of water at 25°C is 7. When it is heated to 100°C, the pH of water

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Which of the following is not the main nitrogenous waste in humans? The chemical name for "caustic soda" is: Groups of modern periodic table . . . . . . . . contains only 7 elements. Which is the most abundant element after oxygen? Which of the following is a biodegradable waste?