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Unit - 4.1 Importance of water and its resources — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYUnit - 4.1 Importance of water and its resources1 Mark
Question
Write the correct statements:
Clear river water is treated with carbon dioxide gas to kill germs and bacteria.
✓

Answer

Clear river water is treated with chlorin gas to kill germs and bacteria.

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