Answer:
true
Explanation:
pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.
A doesn't change the model, that's what google's for, B can be easily used with the current model, and D is ridiculous.
The model of, for example, the atom, has changed over the years with multiple experiment sand multiple models. There was plum pudding, for example, with protons and electrons scattered throughout, until Rutherford's experiments (a new discovery) changed that because he found a dense nucleus.
The answer pops out at you
Answer:
The first option
Explanation:
No new compounds were added, and the pre existing ones wern't changed, so option one is the only one that makes sense.
Good luck!
Copper (Cu) and silver (Ag) would not liberate hydrogen because they are less reactive than hydrogen since their standard reduction potential is higher.