Advertisements
Advertisements
प्रश्न
What are the similarities between Modern cement and ancient cement.
थोडक्यात उत्तर
Advertisements
उत्तर
| 1. | Basic Ingredients | Both modern and ancient cement are made from materials rich in calcium and silica. Modern Portland cement is made by heating limestone (calcium carbonate) with clay or shale (sources of silica, alumina, and iron) in a brick field at about 1450°C. |
| 2. | Hydration Process | The hardening process of both modern and ancient cement involves hydration, where the cement reacts with water to form a hard, stone-like material. |
| 3. | Durability | Both modern and ancient cement are valued for their durability. |
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
For construction purposes ______ cement is the most commonly used cement.
What are the ingredients of cement?
What are the differences between Modern cement and ancient cement?
Gypsum is added to the cement for ______.
Explain the process of manufacturing cement.
______ invented Portland cement.
Mortar is a paste of cement and sand mixed with water.
Reinforced Cement Concrete is a mixture of cement, sand, and gravel.
What are the uses of cement?
Analogy:
______: Mortar:: Construction of bridges: Concrete.
