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This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
In which decade were the first successful diode and triode vacuum tubes invented?
Correct!
Wrong!
Who invented Gramophone?
Correct!
Wrong!
Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
Correct!
Wrong!
Who invented the Spinning Jenny?
Correct!
Wrong!
Who had an explosive idea and first patented DYNAMITE?
Correct!
Wrong!
What Benjamin Franklin invented?
Correct!
Wrong!
Who invented Internal Combustion Engine?
Correct!
Wrong!
Who is the English physicist responsible for the 'Big Bang Theory'?
Correct!
Wrong!
General Knowledge Quiz 39
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