Chapter 5 Acids, Bases and Salts
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See all →- Classify aqueous solutions of the following substances according to their pH into three groups : 7, more than 7, less Substances pH Value Common salt equal to 7 Sodium acetate greater than 7 Hydrochloric acid less than 7 Carbon dioxide less than 7 Potassium... 1
- state the difference Negative electrode and positive electrode. Negative Electrode Positive Electrode Refers to a piece of electrochemical cell that is the negative pole Refers to a piece of electrochemic... 1
- State the differences. Cation and anion Cations Anions Positively charged particles Negatively charged particles Formed by loss of electrons from metals Formed by gain of electrons... 1
- State the differences. 1. Acids and bases Acid Base Substance which when dissolved in water gives hydrogen ion Substance which when dissolved in water can accept hydrogen ions Substa... 1
- Buttermilk spoils if kept in a copper or brass container. Buttermilk spoils if kept in a copper or brass container because Brass or copper reacts with organic acid. Buttermilk contains lactic acid a... 1
- Hydronium ions are always in the form H3 O+ The strength of an acid is measured in terms of the extent of the dissociation of acid in an aqueous solution. The higher H⁺ ion concentrati... 1