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Who discovered cement?...

Who discovered cement?

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**Step-by-Step Solution:** 1. **Identify the Question**: The question asks about the discovery of cement. 2. **Research the Discovery**: The discovery of cement is attributed to a specific individual. 3. **Name the Discoverer**: The individual who discovered cement is Joseph Aspdin. ...
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ICSE-THE s - BLOCK ELEMENTS-VERY SHORT ANSWER TYPE QUESTIONS
  1. Which compond of sodium is used for washing purposes in laundry ?

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  2. Why is the ionisation enthalpy of magnesium higher than that of potass...

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  3. What is the formula of hypo?

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  4. What is the role of hypo in photography?

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  5. Write the chemical formulae of the following: Quick lime, slaked lim...

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  6. Name three common forms of CaCO3.

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  7. Write the chemical formula of plaster of Paris.

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  8. Who discovered cement?

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  9. In what form does magnesium chloride occur in nature?

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  10. Can anhydrous magnesium chloride be prepared by heating the hydrated s...

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  11. Why is magnesium oxide used as a refractory material?

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  12. What is the chemical composition of Sorel's cement?

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  13. What are the main chemical constituents of cement?

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  14. What do you understand by concrete and RCC ?

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  15. What is the temperature in the rotary Kiln used for the manufacture of...

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  16. Name a substance which could be added to cement without affecting its ...

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  17. Name the alkali metals which form superoxides when heated in excess of...

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  18. Name the metal which floats on water without any apparent reaction wit...

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  19. Name the chief factor responsible for the anomalous behaviour of lithi...

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  20. Name an element which is invariably bivalent and whose oxide is solubl...

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