CHSL 21 24-05-2022 Shift 3


Question 1

Which French chemist summarised his experiment in 1806, and proved that the mass ratio of elements in a chemical compound is always the same, regardless of the source of the compound?
किस फ्रांसीसी रसायनज्ञ ने 1806 में अपने प्रयोग का सारांश प्रस्तुत किया और सिद्ध किया कि यौगिक के स्रोत की परवाह किए बिना, रासायनिक यौगिक में तत्वों का द्रव्यमान अनुपात हमेशा समान होता है?

Options

A

Jacob Berzelius

Jacob Berzelius

B

Joseph Proust

Joseph Proust

C

Robert Boyle

Robert Boyle

D

John Dalton

John Dalton


Solution:

Correct Answer:

B

Joseph Proust

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