Inventions Who invented Gunpowder? Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Nuclear reactor X ray machine Cyclotron Betatron Nuclear reactor X ray machine Cyclotron Betatron ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the AEEE (now the IEEE) founded? 1880s 1950s 1850s 1930s 1880s 1950s 1850s 1930s ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? R. Scott G. Findus C. Birdsey F. Rozenosh R. Scott G. Findus C. Birdsey F. Rozenosh ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Michael Faraday Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? 1831 1828 There is no sure date 1825 1831 1828 There is no sure date 1825 ANSWER DOWNLOAD EXAMIANS APP
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