Who discovered cement?
Correct answer: A. Joseph Aspdin
- A. Joseph Aspdin
- B. Albertus Magnus
- C. Agassit
- D. Janseen
Explanation
Joseph Aspdin patented Portland cement in 1824 and gave it that name because its hardened appearance resembled Portland stone. The other names listed are not credited with this development.
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About Inventions and Discoveries
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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