What is a ridicule in english?

In this chapter, maya describes her confusion about lesbianism. she wrongly thought that were the same as lesbians.

You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then mix the solution. describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.

Asking questions from a text while reading with what?