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Your chem tests came back all over the place.
Chem-., 1905, 47, p. 1 45), who, by estimating the ratios of strontium bromide and chloride to silver, obtained the values 87.663 and 87.661.
The monoxide, K 2 0, may be obtained by strongly heating the product or burning the metal in slightly moist air; by heating the hydroxide with the metal: 2KHO+2K= 2K 2 0+H 2; or by passing pure and almost dry air over the molten metal (Kiihnemann, Chem.
PYRAZINES, PIAZINES, or Paradiazines, In organic chem istry, a group of compounds containing a ring system composed of 4 carbon, atoms and 2 nitrogen atoms, the nitrogen atoms being in the para position.