15. How many different salts could be made with a supply of dilute sulphuric acid, dilute hydrochloric acid, copper, magnesium oxide and zinc carbonate?​

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol