No. It is a prepositional phrase. "In" is the preposition and "the lab" is, well, what it is in. At least, that is what i remember, i took that type of class last year.
No it is a preposition.
What kind of phrase is "If you save your money
adjective phrase
More details are required to answer this question. What kind of lab?
adverb phrase
adjective phrase
prepositional phrase.
Verb phrase
I have a black lab. You should give them tennis balls and ropes.
Please be specific, what kind of lab probe you are referring here?
Appropriate safety precautions for a laboratory vary widely depending on the kind of lab, the kind of work performed in the lab, and whether it is an educational or working lab. For example an organic chemistry lab requires precautions that are substantially different for those needed in an electrical engineering lab.