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Question
What are the differences between Modern cement and ancient cement?
Distinguish Between
Solution
| Ancient cement | Modern cement |
| It was developed by the Romans during the Roman empire. |
It was developed by a British scientist, John Smeaton. |
| It was prepared by mixing volcanic ash in moistened lime. | It is made up of materials like lime \[\ce{(CaO)}\], clay, and silica, along with some other oxides of aluminium, iron, magnesium, and gypsum \[\ce{(CaSO4, 2H2O)}\]. |
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RELATED QUESTIONS
What are the ingredients of the cement?
Who invented cement?
______ concrete is a composite material by mixing iron mesh with cement.
______ invented Portland cement.
Mortar is a paste of cement and sand mixed with water.
‘Portland’ cement resembled the high-quality building stones found in Portland, England.
Reinforced Cement Concrete is a mixture of cement, sand, and gravel.
Why the cement is called as Portland cement?
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Analogy:
______: Mortar:: Construction of bridges: Concrete.
