Yes, it can transport item along it's surface, or within it's current.
It would take 8 antacid tablets to produce 120 mL of CO2 gas.
Can range anywhere from 1 AU to 10 AU
The type of chemical bond depends on the substances taking part in it. If the substances are metal and non-metal, then the bond between them is ionic. If two substances are metal, then the bond between them is metallic. If two substances are non-metal, then the bond is covalent.
So basically put this:
Metal + Nonmetal = Ionic
Metal + Metal = Metallic
Nonmetal + Nonmetal = Covalent
I think u turn down the heat not to sure