; all of its stable allotropes are excellent electrical insulators. chemical properties sulphur burns with a blue flame concomitant with formation of sulphur dioxide, notable for its peculiar suffocating odour. sulphur is insoluble inwater but soluble in carbon disulphide and, to a lesser extent, in...
used for macadam. ground water seeps by way of fi ssures in the bedrock into the mines, and surface water collects in the quarries. this may affect the level of the ground waterin the area. carbonate or limestone products, i.e. calcium carbonate (caco ), consist of crushed, ground or sieved limestone...
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