Robert Boyle put chemistry on a firm scientific footing, transforming it from a field bogged down in alchemy and mysticism into one based on measurement. He defined elements, compounds, and mixtures, and he coined the new term 'chemical analysis, a field in which he made several powerful contributions.
Answer: The sentence given is false.
Explanation:
The question requires us to determine if the sentence given by the question ("pH can only be between 1 and 14") is true or false.
The pH value is matematically defined as:

where [H+] is the concentration of H+ ions in solution.
If the concentration of H+ is too high, such as in an acid battery, the pH of a solution can reach 0. However, its value cannot be negative. Therefore, we can say that the pH scale ranges from 0 (very acidic medium) to 14 (very alkaline medium).
Considering the sentence given, we can say that it is false.
Chromium oxide (Cr2O5) More... Molecular Weight. 151.99 g/mol. Component Compounds.
Answer: sodium metal and chlorine gas
Explanation:
I believe it has something to do with the H2O molecules, because a chemical compound is not a mixture.