Acids and Alkalis Definitions

Flashcards for vocabulary related to acids and alkalis.

Corrosive

Attacks and destroys living tissue.

Flammable

Catches fire easily.

Toxic

Can cause death if swallowed, inhaled, or absorbed.

Irritant

Not corrosive but will make skin red or blister.

Caustic

Causes burning skin damage.

Base

Insoluble, neutralises acids, reacts with metal oxides/hydroxides/carbonates and hydrogen carbonates.

Dilute acid

Has more water molecules compared to acid molecules.

Concentrated acid

Has more acid molecules compared to water molecules.

Salt

A compound formed when acid reacts with metal.

Properties of Acids

Taste sour, can be corrosive or irritating.

Properties of Alkalis

Feel soapy, can be corrosive or irritating.

Irritant

A substance that causes redness or blistering of the skin.

Corrosive

A substance that attacks and destroys living tissue.

Indicator

A substance that changes color depending on the pH of the solution.

Neutralization

The reaction between an acid and an alkali to form a salt and water.

Base

Insoluble, neutralises acids, metal oxides/hydroxides/carbonates and hydrogen carbonates

Salt

A compound formed when an acid reacts with a metal, metal oxide/hydroxide/carbonate

Hydrochloric acid salts

Forms chloride salts.

Sulfuric acid salts

Forms sulfate salts.

Nitric acid salts

Forms nitrate salts.

Neutral

pH 7, not acidic or alkaline