Elementary Chemistry |
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Page 3
... change of the magnesium into a substance so unlike magnesium as to be at once recognised as a different kind of matter . If a thin copper wire , covered with cotton or silk , is 3 wrapped many times round a piece of ... CHEMICAL CHANGE .
... change of the magnesium into a substance so unlike magnesium as to be at once recognised as a different kind of matter . If a thin copper wire , covered with cotton or silk , is 3 wrapped many times round a piece of ... CHEMICAL CHANGE .
Page 5
... change began ; that is to say , by stopping the passage of the electric current : The three kinds of matter , platinum , soft - iron , and copper , have been changed by temporarily adding to each a property which does ... CHEMICAL CHANGE .
... change began ; that is to say , by stopping the passage of the electric current : The three kinds of matter , platinum , soft - iron , and copper , have been changed by temporarily adding to each a property which does ... CHEMICAL CHANGE .
Page 6
... change began existed also while the change lasted and after the change ceased . The first kind of change is called chemical change ; the second is called physical change . The differences and resem- blances between these two kinds of change ...
... change began existed also while the change lasted and after the change ceased . The first kind of change is called chemical change ; the second is called physical change . The differences and resem- blances between these two kinds of change ...
Page 7
... change . The change which water undergoes when it is boiled is a 9 physical change ; if the water is placed in a retort arranged as shewn in fig . 3 , the water - gas ( or steam ) produced by heating the water is ... CHEMICAL CHANGE .
... change . The change which water undergoes when it is boiled is a 9 physical change ; if the water is placed in a retort arranged as shewn in fig . 3 , the water - gas ( or steam ) produced by heating the water is ... CHEMICAL CHANGE .
Page 8
... change of water and sodium into a solid body , caustic soda , and a gas , hydrogen , is a chemical change . A little hot concentrated sulphuric acid is poured on to some pieces of loaf - sugar ; much heat is produced , steam is given ...
... change of water and sodium into a solid body , caustic soda , and a gas , hydrogen , is a chemical change . A little hot concentrated sulphuric acid is poured on to some pieces of loaf - sugar ; much heat is produced , steam is given ...
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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