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Why must a reaction mixture not be acidic before filtering when making salts? Is staedtler pigment liner toxic cause i cut myself and i cant get all the ink out there is really not much ink in it? Does fluorine burn? When sulfuric acid and potassium hydroxide neutralize each other to make water and potassium sulfate water is formed by what? Why do symbols on the periodic table have two letters? Why do quantitative and qualitative analyses require a different monochromator slit width? When two or three crystals of potassium can impact color to a very large volume of water which characteristics of particles of matter is illustrated by this observation? Can you remove pledge cleaner from floors? What are the common uses of a litmus paper? How could you distinguish the chemical formula of a monosaccharide from disaccharide? Is coal a carbon compound? Acid naturally present in food are safe to eat because they usually are? What is the name of a change which means the products can't be returned back to the reactants? What is the diffence between 14 kt white gold and 14 kt yellow gold? Why can different numbers of metal and non metal atoms create ionic bonds together? What is the percent of oxygen in KClO3? As you move across a period of the periodic table from left to right what happens to the number of protons contained by each element? How can you extract iron ore from iron pyrite? Is there any organic compound without carbon? It is said that protoplasm cannot be analysed chemically.why?