The cement becomes unsound by the presence of excess:
ASulphur
BMagnesia
CLime
DAll of the above
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Related Questions:
Breaking of irregular edge sand projections of stone is called:
Lime which is obtained by calcination of comparatively pure lime
Formula for quick lime, is:
What is the problem with using fly ash bricks?
The quantity of water required in cement for completely hydrated is about of its weight.