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Question:

Acids, Bases and Salts Questions?

Choose the right substance, (once or not at all)The substances are: Calcium Hydroxide, Barium Nitrate, Lead Nitrate, Copper Sulphate, Silver Nitrate or Potassium Iodide.The questions are:I) A compound that would react with Barium Nitrate to form an insoluble substance.II) A compound that would react with Hydrochloric Acid to form an insoluble substanceIII) A compound that would react with Sodium Carbonate to form an insoluble substanceIV) A soluble compound that would react with Potassium Iodide to form an insoluble SubstanceThanks Guys :)

Answer:

Uhm if you have a chemistry formula and data sheet with the solubility rules, it should tell you, but oh well. (i) Copper sulfate (BaSO4 is insoluble) (ii) Silver Nitrate (AgCl is insoluble) (iii) Calcium Hydroxide (CaCO3 is insoluble) (iv) Lead Nitrate (Pb(NO3) is soluble but PbI2 forms a yellow precipitate)

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