Synthesis reactions are reactions that occur when two different atoms or molecules interact to form a different molecule or compound. Most of the time, when a synthesis reaction occurs, energy is released and the reaction is exothermic
Noble gases are tough to isolate because they do not react with any thing so it is tough to isolate them
I would go with pure water
ANSWER:
try the first one!<em> ok </em>
if i answer it right you have to make me brainliest OK DON"T LIE YOU SAID THAT OK THE ANSWER IS UP THERE and is this a quiz or a assigment!! or a exam or something like that