Answer is false hope this helps
Answer:
B. They from ionic compounds.
Ionic Compounds is formed by the reaction of Metal and Non-metal.
Answer:
Synthesis
Explanation:
A synthesis chemical reaction is where two simpler substances form together to create a more complex product.
The reactants can be either a single element or a compound, but the product is always a compound.
Since Mg and O2 reacted to create MgO, a compound, this represents a synthesis reaction.
I believe the answer is B. Osmosis is the diffusion of water: so it would be the movement of molecules from high concentration to low. Therefore it is not A and B is the only one relating to water.