Inventions Practice Test 142
helium Quiz Questions and Answers PDF - 142
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The helium Quiz Questions and Answers PDF (helium Quiz with Answers PDF e-Book) download Test 142 to learn inventions online courses. Practice Inventions and Inventors trivia questions, helium Multiple Choice Questions (MCQ) for online college degrees. The helium Quiz App Download: Free learning app for 40 vaccines, cholera, acetylene, light bulb, helium test prep for online school classes.
The Quiz: Process to extract helium from natural gas was invented by; "helium" App Download (Free) with answers: Sir John Cunningham McLennan; Sir Henry Ruttan; Dr Larry wang; Sir George Beers; for online degree programs. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for online degrees.
helium Questions and Answers PDF Download: Quiz 142
The process to extract helium from natural gas was invented by
- Sir Henry Ruttan
- Sir John Cunningham McLennan
- Dr Larry wang
- Sir George Beers
Light Bulb was discovered by an American inventor named as
- Sir Walter Brattain
- Sir William Shockley
- Sir Thomas Edison
- Sir John Stevens
In which one of the following countries, the production process was discovered?
- U.S.A
- Canada
- London
- Egypt
Cholera vaccine was invented by a Jewish bacteriologist known as
- Sir Edward Jenner
- Sir Waldemar Haffkine
- Sir James Harrison
- Sir Thomas Edison
Which one of them is considered as the record breaking inventor of 40 Vaccines?
- Sir Maurice Hilleman
- Sir Etienne Montgolfier
- Sir Alfred Nobel
- Sir Henri Giffard
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