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  1. S

    Biology; Chemistry; Physics: Post your doubts here!

    elp in chem o level okay so. one mole of compound x gives 3 moles of ions in aq solution. x reacts with ammonium carbonate to give an acidic gas. what is x a. calcium hydroxide b. ethanoic acid c. naoh d. h2so4
  2. S

    help in chem o level

    help in chem o level okay so. one mole of compound x gives 3 moles of ions in aq solution. x reacts with ammonium carbonate to give an acidic gas. what is x a. calcium hydroxide b. ethanoic acid c. naoh d. h2so4
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