What is the pH of distilled water ?
Correct answer: C. 7
- A. 0
- B. 1
- C. 7
- D. 14
Explanation
Pure distilled water is neutral at 25°C because its hydrogen-ion and hydroxide-ion concentrations are equal, giving pH 7. Its pH changes slightly with temperature, but 7 is the standard textbook value.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Hot extrusion of aluminium is done in the temperature range of ________________ °C ?
Which one is neutral in character ?
Out of the following _______________ iron has the best capability to bear sudden & excessive shocks?
Half life of a radioactive isotope corresponds to the time required for half of the _______________ to decay ?
Main constituent of bone ash is____________________?
Lead pencil contains____________________?