Soil pH affects nutrient availability and root function, influencing overall plant growth.

Lemon juice has a lower pH because it contains stronger or more concentrated acids like citric acid.

Yes, acids with the same pH can differ in concentration and dissociation, affecting their strength and reactivity.

Potassium reacts more violently as it's more reactive, losing electrons more easily than magnesium.

The reactivity series shows which metals need electrolysis or reduction methods for extraction.

Gold and platinum are less reactive, so they remain uncombined in nature, unlike reactive iron.

In displacement reactions, a more reactive metal replaces a less reactive one from its compound.