Question : Which of the following was invented by Sir Humphry Davy?
Option 1: Safety pin
Option 2: Steam engine
Option 3: Safety lamp
Option 4: X-rays
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Correct Answer: Safety lamp
Solution : The correct option is the Safety lamp.
Chemist Sir Humphry Davy was from England. He made several chemical discoveries, such as the mining safety lamp, by enclosing the flame in a wire mesh or glass enclosure to limit the risk of igniting flammable gases. He also discovered elements like sodium, potassium, calcium, and barium.
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