Hydrogen was first prepared in 1672 by
ARobert Boyle, an English scientist
BHenry Cavendish, who named the gas
CAntoine Lavoisier, who named hydrogen
DJohn Dalton, the atomic theorist
Answer & Solution
Correct answer: A. Robert Boyle, an English scientist
1. The chapter section on introduction names Robert Boyle.
2. Boyle was the first to prepare hydrogen in 1672.
3. Cavendish studied it in 1776 and Lavoisier named it in 1783.
4. So option A is correct.
_Source: Selina Concise Chemistry Class 8, Ch on Hydrogen (Mistral OCR'd PDF), section on introduction_
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