chlorobromomethane मीनिंग इन हिंदी

उदाहरण वाक्य

1. In the 1940s, Germany invented the liquid chlorobromomethane ( CBM ) for use in aircraft . It was more effective and slightly less toxic than carbon tetrachloride and was used until 1969 . Methyl bromide was discovered as an extinguishing agent in the 1920s and was used extensively in Europe.