Elementary Chemistry |
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Page 6
... definite kind of matter , distinguished from other kinds by its lustre , greyish purple colour , opacity , easy solu- bility in alcohol with production of a reddish brown liquid , and by the fact that when a drop or two of this liquid ...
... definite kind of matter , distinguished from other kinds by its lustre , greyish purple colour , opacity , easy solu- bility in alcohol with production of a reddish brown liquid , and by the fact that when a drop or two of this liquid ...
Page 7
... definite kinds of matter ; each is evidently very different from the water from which both have been produced . The change of water into the gases hydrogen and oxygen is a chemical change . A few pieces of loaf - sugar are placed in a ...
... definite kinds of matter ; each is evidently very different from the water from which both have been produced . The change of water into the gases hydrogen and oxygen is a chemical change . A few pieces of loaf - sugar are placed in a ...
Page 10
... definite meaning is to be put upon the statement water can be changed into hydrogen and oxygen ? The history of alchemy , and of the transition from alchemy to chemistry , teaches the necessity of putting , and of answering , such ...
... definite meaning is to be put upon the statement water can be changed into hydrogen and oxygen ? The history of alchemy , and of the transition from alchemy to chemistry , teaches the necessity of putting , and of answering , such ...
Page 12
... definite meaning to the terms ' pro- duced ' and ' disappeared ' , as regards the change of magnesium to magnesia at any rate ; and we should , to some extent at least , understand what is meant by saying the magnesia has taken the ...
... definite meaning to the terms ' pro- duced ' and ' disappeared ' , as regards the change of magnesium to magnesia at any rate ; and we should , to some extent at least , understand what is meant by saying the magnesia has taken the ...
Page 14
... definite and accurate meaning can be given to this and similar expres- sions only when we have learned more about chemical occur- rences . In the preceding paragraphs the important truth has been assumed that the one fundamental ...
... definite and accurate meaning can be given to this and similar expres- sions only when we have learned more about chemical occur- rences . In the preceding paragraphs the important truth has been assumed that the one fundamental ...
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Common terms and phrases
acids to form affinity alcohol alkali allotropy ammonia ammonium ammonium chloride antimony aqueous solution atom of carbon atom of hydrogen atom of oxygen atomic theory atomic weight basic oxides bismuth bromine Chap chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy form salts gaseous molecules gases gasified grams H₂O H₂SO haloid compounds heat hydrides hydrochloric acid hydrogen and oxygen hydrogen chloride hydroxide interact with acids iodine iron kinds of matter liquid M₂O magnesium mass mercury metals mixture molecular and atomic molecular weight nitric acid nitrogen non-metallic obtained occur oxidised oxygen phosphorus physical potash potassium chloride produced quantity ratio reacting weight reactions represented rubidium selenion shew shewn sodium solid specific gravity structural formulae substances sulphate sulphide sulphuric acid tellurium temperature tube valency vols weight of hydrogen weight of oxygen zinc