State the differences.

Acids and bases

Give reason for the following.

A. Hydronium ions are always in the form H₃O⁺

B. Buttermilk spoils if kept in a copper or brass container.

Write the chemical equations for the following activities.

A. NaOH solution was added to HCl solution.

B. Zinc dust was added to dilute

C. Dilute nitric acid was added to calcium oxide.

D. Carbon dioxide gas was passed through KOH solution.

E. Dilute HCl was poured on baking soda.

State the differences.

Cation and anion

State the differences.

Negative electrode and positive electrode.