Is there a way u could see if the element is acid, base or salt in the periodic table?​

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

What is the relation between concentration of reactants and the rate of chemical reaction?

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned