Inventions Who invented Bakelite? Leo Hendrik Baekeland Charles Goodyear Roy Plunkett Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett Henry Ford ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Hot air balloon Diving bell Steam boat Rotary steam engine Hot air balloon Diving bell Steam boat Rotary steam engine ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1950s 1970s 1940s 1960s 1950s 1970s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Ouija board Ping Pong Monopoly Frisbee Ouija board Ping Pong Monopoly Frisbee ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Edward Jenner Louis Pasteur Robert Koch Robert Hooke Edward Jenner Louis Pasteur Robert Koch Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Barometer Hygrometer Radio Bifocal spectacles Barometer Hygrometer Radio Bifocal spectacles ANSWER DOWNLOAD EXAMIANS APP
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