There are many questions that can be asked in a lab setting. Some of the most common include:

* What is the effect of [independent variable] on [dependent variable]?

* What is the structure of [compound]?

* What is the mechanism of [reaction]?

* What is the identity of [substance]?

* How can [process] be improved?

* What are the properties of [material]?

* What is the relationship between [two or more variables]?

The specific question being asked in a lab setting will depend on the field of study and the goals of the researcher. For example, a biologist might be interested in understanding the effect of a new drug on the growth of bacteria, while a chemist might be interested in synthesizing a new material with specific properties.

Regardless of the specific question, the goal of any lab experiment is to collect data that can be used to answer the question. This data can then be used to generate a hypothesis or theory, which can be further tested through experimentation.