adverb
The word "EASILY" is an adverb in this sentence. It modifies the verb "removed," indicating how the tarnish can be removed.
The is a definite article. In the sentence it is used to indicate something that is clearly understood from the situation (tarnish).
To remove is a verb and be removed (after the modal auxiliary can) is the passive infinitive form of the verb.
To remove is a verb and be removed (after the modal auxiliary can) is the passive infinitive form of the verb.
The word "removed" is the verb "remove" in its past participle form. This past participle completes the full verb phrase (which is in passive voice) in the sentence, "can be removed".
pronoun
The word "POLISHED" in caps in the sentence functions as a verb.
preposition
preposition
"Tarnish" is a verb in this sentence, showing the action that can be done to it.
In this sentence, "removed" is a verb acting as the past participle in the passive voice. It describes the action of eliminating tarnish from the object using polish.
adverb