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WATER MCQs

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1. . The percentage of water on our planet as compared to dry land is:





2. . The percentage of hydrogen to oxygen in water is:





3. . The bond angle between H–O–H is:





4. . The most and readily soluble gas in water is:





5. . At 2000°C only ______ of water is dissociated:





6. . The density of water at 4°C is:





7. . Bacteria, fungi and algae include:





8. . The ion exchange resins are used in:





9. . The chemical name of water is:





10. . The alternate name for the zeolite method is:





11. . The formula of cation exchange resin is:





12. . Distilled water is an example of:





13. . Sodium zeolite absorbs ______ ion from hard water:





14. . Water gas is a mixture of carbon monoxide and ______:





15. . Which one is an acidic oxide:





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