UPSC NDA II 2024 General Ability Paper

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Question : 99 of 150

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Which one of the following statements about the Industrial Revolution is correct?

Thomas Savery invented astrolabe
Thomas Newcomen invented chemical dyes
James Watt's invention converted the steam engine from being a mere pump into one which would provide energy to power machines in factories
Mathew Boulton discovered the technique of refining gold of impurities

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