potash

As nouns the difference between potash and limestone

is that potash is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer while limestone is (mineralogy) an abundant rock of marine and fresh-water sediments; primarily composed of calcite (caco₃); it occurs in a variety of forms, both crystalline and amorphous.

As an adjective limestone is

made of or with limestone.

As a noun potash

is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun potash

is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between saltpetre and potash

is that saltpetre is potassium nitrate while potash is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.

As nouns the difference between potash and kalium

is that potash is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer while kalium is potassium.

As nouns the difference between potash and null

is that potash is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer while null is a non-existent or empty value or set of values.

As an adjective null is

having no validity, "null and void.

As a verb null is

to nullify; to annul.

As an initialism map

is (travel) modified american plan, a hotel rate that included accommodation, breakfast and dinner, but not lunch.

As a noun potash is

the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.

As nouns the difference between soda and potash

is that soda is sodium bicarbonate while potash is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.

In chemistry terms the difference between phosphate and potash

is that phosphate is any salt or ester of phosphoric acid while potash is an impure form of potassium carbonate (K₂CO₃) mixed with other potassium salts.

As a verb phosphate

is to treat or coat with a phosphate or with phosphoric acid.

As nouns the difference between lye and potash

is that lye is an alkaline liquid made by leaching ashes (usually wood ashes) while potash is the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer.

As a verb lye

is obsolete spelling of lang=en.