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- Question
Who discovered Sodium?
Options- A. Humphry Davy
- B. William Henry Fox
- C. J.J.Thomson
- D. Karl Benz
- Correct Answer
- Humphry Davy
- 1. Who invented the waterproof raincoat?
Options- A. Robert Hooke
- B. Cai Lun
- C. Charles Macintosh
- D. William Harvey Discuss
- 2. Who discovered Penicillin?
Options- A. Edward Jenner
- B. Niels Bohr
- C. Sir Alexander Fleming
- D. Heinrich Hertz Discuss
- 3. Who discovered electricity and invented the lightning rod and bifocals?
Options- A. Kirkpatrick Macmillan
- B. Benjamin Franklin
- C. William Henry Fox Talbot
- D. Sir Alexander Fleming Discuss
- 4. Who discovered Neon?
Options- A. Robert Noyce
- B. Enrico Fermi
- C. Morris W. Travers and William Ramsay
- D. Antonio de Ulloa and Charles Wood Discuss
- 5. The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it. _____ you live long!
Options- A. Might
- B. May
- C. Shall
- D. Should Discuss
- 6. Who invented the electrocardiogram (ECG)?
Options- A. Willem Einthoven
- B. Edward Jenner
- C. Antonio de Ulloa and Charles Wood
- D. Karl Benz Discuss
- 7. Who discovered the colour photography?
Options- A. Robert Noyce
- B. Enrico Fermi
- C. John Logie Baird
- D. James Clerk Maxwell Discuss
- 8. Who invented bluetooth?
Options- A. Kirkpatrick Macmillan
- B. Benjamin Franklin
- C. Dr. Jaap Haartsen
- D. Charles Babbage Discuss
- 9. Who invented the vacuum pump?
Options- A. Otto von Guericke
- B. Cai Lun
- C. Melitta Bentz
- D. William Henry Fox Talbot Discuss
- 10. Who invented logarithms?
Options- A. Eden Snowden
- B. Larry Page
- C. Thomas Edison
- D. John Napier Discuss
Inventions problems
Search Results
Correct Answer: Charles Macintosh
Correct Answer: Sir Alexander Fleming
Correct Answer: Benjamin Franklin
Correct Answer: Morris W. Travers and William Ramsay
Correct Answer: May
Correct Answer: Willem Einthoven
Correct Answer: James Clerk Maxwell
Correct Answer: Dr. Jaap Haartsen
Correct Answer: Otto von Guericke
Correct Answer: John Napier
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