Question : Who discovered the rubber-making process through the vulcanisation method?
Option 1: John Dunlop
Option 2: Charles Goodyear
Option 3: David Macmillan
Option 4: Issac Newton
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Correct Answer: Charles Goodyear
Solution : The correct option is Charles Goodyear.
Charles Goodyear is credited with creating the first industrial vulcanisation process that produced rubber that was malleable, waterproof and moldable. In Springfield, Massachusetts, his method — heating rubber with sulphur — was first applied in 1841.
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Question : Who among the following discovered Benzene?
Option 1: John Dalton
Option 2: Isaac Newton
Option 3: Joseph Priestley
Option 4: Michael Faraday
Question : Who discovered the North Pole?
Option 1: Amundsen
Option 2: Robert Peary
Option 3: John Cabot
Option 4: Captain James Cook
Question : Directions: In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four.
Newton _____ the laws of gravitation.
Option 1: was discovered
Option 2: had discovered
Option 3: discovered
Option 4: discovering
Question : Which of the following scientists had discovered "the law of electric resistance"?
Option 1: Charles Coulomb
Option 2: George Simon Ohm
Option 3: Michael Faraday
Option 4: None of the options is correct
Question : Who had used the term "Ecology" the first time?
Option 1: Charles Darwin
Option 2: Robert Whittaker
Option 3: Ernst Haeckel
Option 4: Arthur Tansley
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