In this video, we work out the chemical reactions to prepare pure copper(II) sulfate salt.…
Category: Acid and Base
Question Sodium hydroxide reacts with sulfuric acid. The equation for the reaction is shown.2NaOH +…
Question Acid rain contains sulfuric acid and can cause lakes to become acidic. Acidic lakes…
What is a base? A base is any metal oxide (contains oxide ions, O2-) or…
What is an acid? An acid is a substance that produces hydrogen ions, H+, when…
Alkali is a substance that produces hydroxide ions in aqueous solution. Common alkalis include Group…
Acid is a substance that produces hydrogen ions in aqueous solution. Common acids include Hydrochloric…
O Level Secondary Chemistry Tuition 