uce chemistry paper2 answers
icity pH Scale: Acids: pH less than 7 Bases: pH greater than 7 Neutral: pH exactly 7 Preparation of a Salt (e.g., Sodium Chloride): Method: Neutralization reaction Procedure: Dissolve an acid (e.g., hydrochloric acid, HCl) in water. Add a base (e.g., sodium hydroxide, NaOH) gradually while