Answer: Sand
Explanation: Out of all the choices, sand is the only one that cannot react with other substances.
The substance that contains hydrogen that may be replaced by a metal is an acid~
That’s easy it would be B.
The overall reaction order is 2, because you add the orders of the individual components, which each are 1.
Answer:
2h+02=h20
Explanation:
2 in front of h on left side
2 in front of h on right side