Elementary Chemistry |
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Page 71
... the positive electrode , and a little alkali at the negative electrode . He re - distilled the water and again electrolysed it , but the result was the same . He noticed that the glass 90-93 ] CHEMICAL STUDY OF WATER AND AIR . 71.
... the positive electrode , and a little alkali at the negative electrode . He re - distilled the water and again electrolysed it , but the result was the same . He noticed that the glass 90-93 ] CHEMICAL STUDY OF WATER AND AIR . 71.
Page 72
... negative electrode ; after the current had passed for some minutes the production of alkali nearly ceased ; but the acid was still produced , and the quantity of it slowly increased as the process of electrolysis continued . By ...
... negative electrode ; after the current had passed for some minutes the production of alkali nearly ceased ; but the acid was still produced , and the quantity of it slowly increased as the process of electrolysis continued . By ...
Page 73
... negative , and an acid at the positive , electrode . This led Davy to regard many compounds as built up of two parts , one positively , the other negatively , electri- fied . This conception prompted him to make more experiments ; these ...
... negative , and an acid at the positive , electrode . This led Davy to regard many compounds as built up of two parts , one positively , the other negatively , electri- fied . This conception prompted him to make more experiments ; these ...
Page 99
... negative element . If hydrogen chloride ( HCl ) is electrolysed , hydrogen sepa- rates at the negative , and chlorine at the positive , electrode : chlorine is therefore said to be an electro - negative element . If hydrogen sulphide ...
... negative element . If hydrogen chloride ( HCl ) is electrolysed , hydrogen sepa- rates at the negative , and chlorine at the positive , electrode : chlorine is therefore said to be an electro - negative element . If hydrogen sulphide ...
Page 100
... negative electrode ; sulphur is therefore positive relatively to oxygen , although it is negative relatively to chlorine . The terms electro - positive and electro - negative are therefore purely relative terms ; an element A may be ...
... negative electrode ; sulphur is therefore positive relatively to oxygen , although it is negative relatively to chlorine . The terms electro - positive and electro - negative are therefore purely relative terms ; an element A may be ...
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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 chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy expressed 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 weight of hydrogen weight of oxygen zinc