Inventions Who invented Gunpowder? Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? 1828 1825 There is no sure date 1831 1828 1825 There is no sure date 1831 ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Microwave oven Calculator Remote control VCR Microwave oven Calculator Remote control VCR ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Bifocal spectacles Hygrometer Radio Barometer Bifocal spectacles Hygrometer Radio Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Paul Newman Steve McQueen John Wayne Harrison Frazier Paul Newman Steve McQueen John Wayne Harrison Frazier ANSWER DOWNLOAD EXAMIANS APP