N/4 sulfuric acidto just discharge the pink, then added 4 c.
From a burette, quarter normal (N/4) sulfuric acid is added until the pink color is just discharged.
The difference between the number of cubic centimeters of N/4 sulfuric acid and N/4 caustic soda gives the amount of alkali in the sample.
Notes The above procedure differs from that recorded in the literature, mainly in the use of a fairly large excess of sulfuric acid.
Other Methods of Preparation The cheapest and most convenient method by which mesitylene may be prepared is by the action of a dehydrating agent upon acetone; the agent most commonly used is sulfuric acid.
Add 2 to 4 drops of this reagent and the same number of drops of sulfuric acid to 1 or 2 cc.
Similarly, spongy platinum accelerates the oxidation of sulfur dioxide to sulfur trioxide, in the commercial manufacture of sulfuric acid.
The salts of sulfuric acid, or sulfates, are quite important, and many of them are poisonous.
Sulfuric acid, sometimes called oil of vitriol, is one of the most active chemicals known, and is especially destructive to living tissue, as it combines with the water in the tissue so rapidly as to char or burn it.
Tissue paper, that is, cellulose, is treated with nitric acid in the presence of sulfuric acid.
These are formed by the action of sulfuric acid on coconut, castor, cottonseed or mineral oils.
If the cellulose, instead of being digested a long time in dilute acid, is dipped into a solution of sulfuric acid (50 to 80 per cent.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "sulfuric acid" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.