Sir Humphry Davy was a British chemist who

Question:Sir Humphry Davy was a British chemist who

1.invented the safety lamp for miners

2.discovered the anesthetic properties of nitrous oxide

3. both (a) and (b)

4.None of the above


Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!