A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 291
by the action of sulphuricacid on common salt and black oxide of manganese,or better by heating a mixture of hydrochloric acid andblack oxide of manganese. The action in the latter caseis as follows: Mn 02+2JBTCl=Mn Cl+ 2HO+ 01One atom of peroxide of manganese and two of hydro-chloric acid give one… … where a is the retort, with the generating materials,connected with a small receiver, 5, to retain part of thewater which the gas may bring over; this, again, isconnected with a chloride of calcium tube, e, which ef- When was chlorine discovered? In what substances does it oc-cur ? How may it be…
Chemistry · Physics
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