- History
- The discovery of the element of chlorine was made by Carl Wilhelm Scheele in 1774, who thought it contained oxygen.
- Chlorine was named in 1810 and originated from the Greek word khlôros, which means green.
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- It can obtained from salt.
- Chlorine was used as a war gas in 1915.
- Chlorine cannot be found in a free state in nature,but can be found as NaCl ,solid or seawater.