Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? 1825 There is no sure date 1828 1831 1825 There is no sure date 1828 1831 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Benjamin Franklin Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1980s 1960s 1950s 1970s 1980s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Nuclear reactor Betatron Cyclotron X ray machine Nuclear reactor Betatron Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Automatic teller machine Time-lock safe Pay telephone Burglar alarm Automatic teller machine Time-lock safe Pay telephone Burglar alarm ANSWER DOWNLOAD EXAMIANS APP
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