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| Introduction |
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| Even in the sixteenth century chemists knew that by heating common salt and concentrated sulphuric acid together, hydrogen chloride could be prepared. The sodium sulphate salt obtained during the reactions studied intensively for its properties is called Glauber's salt after the discoverer Johann Glauber (Fig.5.1). |
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| In 1772, an English chemist Joseph Priestley, prepared hydrogen chloride in the pure form and he named the aqueous solution of hydrogen chloride as 'Muriatic acid'. In the next century, another English chemist Sir Humphry Davy, did most of the work on the acid. The name 'Chlorine' for chlorine gas (Greek word meaning 'yellowish green') was suggested by Davy. He called the solution of hydrogen chloride in water as 'Hydrochloric acid'. |
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Hydrogen Chloride and Hydrochloric Acid
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