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hydrogen cyanide

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hydrogen cyanide

Poisonous gas formed by the reaction of sodium cyanide with dilute sulphuric acid; it is used for fumigation.

The salts formed from it are cyanides – for example sodium cyanide, used in hardening steel and extracting gold and silver from their ores. If dissolved in water, hydrogen cyanide gives hydrocyanic acid.



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? Mentioned in ? References in periodicals archive
 
Cyanides are salts or esters of hydrogen cyanide (hydrocyanic acid, HCN) formed by replacing the hydrogen with a metal (e.
Fish wiped out in river by Evening Gazette (Middlesbrough, England)
Cyanides are salts or esters of hydrogen cyanide (hydrocyanic acid, HCN) formed by replacing the hydrogen with a metal (e.
Probe into river cyanide pollution by Huddersfield Daily Examiner (Huddersfield, England)
Cyanides are salts or esters of hydrogen cyanide (hydrocyanic acid, HCN) formed by replacing the hydrogen with a metal (e.
Cyanide leaks into River Trent by Birmingham Mail (England)
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