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Who is the mysterious person i...

Who is the mysterious person in the picture?

Correct answers: 29

The first user who solved this task is Sanja Šabović.

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Q. What do you call a polar be...

Q. What do you call a polar bear with ear muffs?
A. Anything you want, he can’t hear you!

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Comte Claude Louis Berthollet

Born 9 Dec 1748; died 6 Nov 1822 at age 73.French chemist who was the first to note that the completeness of chemical reactions depends in part upon the masses of the reacting substances (1803); he thus came close to formulating the law of mass action. Though he incorrectly concluded that elements unite in all proportions, his resulting controversy with the chemist Joseph-Louis Proust led to the establishment of the law of definite proportions. He continued Carl Scheele's research on chlorine, showing in 1785 how it could be used for bleaching. He continued Joseph Priestley's investigation of ammonia, and was the first to show it was a compound of hydrogen and nitrogen. He discovered potassium chlorate.

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