Question

Write a life history of Sir Humphrey Davy ?please give me this answer

Answer 1

Humphry Davy was a Cornish chemist best known for his contributions to the discoveries of chlorine and iodine and for his invention of the Davy lamp, a device that greatly improved safety for miners in the coal industry.
Sir Humphry Davy was an English chemist best known for his contributions to the discoveries of chlorine and iodine. In 1798, he was appointed chemical superintendent of the Pneumatic Institution to study the therapeutic uses of various gases, after which he made several reports on the effects of inhaling nitrous oxide (laughing gas). On a related front, in 1815, he invented the Davy lamp, which allowed miners to work safely in close contact with flammable gases. Davy was also a charismatic speaker, and his scientific presentations at the Royal Institution of Great Britain were extremely popular among Londoners of the day.

Answer 2

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Sir Humphry Davy ( 1778 - 1829)

• Born - 17 - 12 - 1778
• Died - 29 - 05 - 1829
• isolated an elements like potassium, calcium from their compounds
• used electric charge

By using electricity, Sir Humphry Davy isolated many elements form compounds. Potassium, Sodium, Calcium, Magnesium, Strontium, Barium and Boron are some among them. He conducted experienments which involve the passage of electricity through liquids. On the basis of these experiments he understood the presence of electric charges in substances. He established that there are two types of charges ( positive charge and negative charge )

and it is these electric charges that enable a substance ti react with another substance