Which of the following will reduce copper?

zinc
mercury
fluorine
chlorine

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

The minerals found in bones are deposited by living cells called

Calculate the number of moles of ethane in 100 grams