Question

water is a colourless liquid. (colourless) what part of speech is this?​

Answer 1

Colorless = Adjective (Part of speech)

Explanation:

There are eight part of speech in English.

Noun, Pronoun, Verb, Adjective, Adverb, Preposition, Conjugation and Interjection.

Water is a colorless liquid.

There are three parts of speech.

water = Noun

Colorless = Adjective which is showing the property of water. Means that water does not posses any color. It is  transparent liquid.

Liquid = Noun

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Definition of adjectives and examples ?

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Answer 2

Answrr:

ccolourless - adjective