What is an acid?

An acid is a substance which releases hydrogen ions (protons) when added to water. pH values of less than 7 are considered acidic, with 1 indicating it is a strong acid.

Answered by Ellie W. Chemistry tutor

2488 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

What are the relative charges of the proton, neutron and electron?


State the effect that increasing the temperature has on the rate of the reaction. Explain this effect in terms of particles and collisions.


What is the difference between an endothermic and exothermic reaction?


An isotope of Nitrogen has an atomic number of 7 and a mass number of 15. How many protons, neutrons and electrons will each atom have?does


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences