The book Experimental Chemistry for High School Students was written by author G Walter Monroe Here you can read free online of Experimental Chemistry for High School Students book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Experimental Chemistry for High School Students a good or bad book?
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(a) The Hydroxide. Dissolve 10 grams of potassium carbonate in about 125 CC of water and boil in an iron (or silver) dish. Why? Slowly add 5 grams of slaked lime to the boiling liquid, and stir constantly until all the lime has been added. Allow the solution to cool and then decant off the clear liquid into a bottle and use when required. Try its action upon litmus paper. In what other way has potassium hydrate been prepared? (b) How may potassium sulphate, and potassium nitrate (saltpetre) be ...made? Review Experiment 33. Most of the potassium nitrate in use is made from sodium nitrate (chili saltpetre) by treating with potassium chloride. Write the equation. Saltpetre or nitre is used in the preparation of sulphuric acid (For what purpose?), and in the preparation of gunpowder. (c) Gunpowder. Mix together intimately in a mortar about 4 grams of potassium nitrate; and one gram of charcoal and sulphur, using a little more charcoal than sulphur. Pour the powder on the iron base of your ring-stand and set fire to it.
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