Which statement describes a chemical property of iron?

Iron oxidizes.

Iron is a solid at STP.

Iron melts.

Iron is attracted to a magnet.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

An unknown substance has been shown to have metallic bonds. which of the following is most likely a property of this substance? a. low conductivity b. low boiling point c. high malleability d. high solubility in water