Which of the following chemical reactions is not an oxidation-reduction reaction?

cuso4 + bacl2 yields baso4 + cucl2

n2 + 3h2 yields 2nh3

zn + h2so4 yields znso4 + h2

2na + cl 2 yields 2nacl

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

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:

What is the effect of returning nuclear reactor cooling water back into bodies of water?