Final answer:
The item used for separating coarser particles from finer particles in the kitchen is known as a sieve. It is often used for sifting flour and straining liquids. The answer to the question is A) Sieve.
Step-by-step explanation:
The utensil made of wire or plastic mesh used to separate coarser particles from finer particles is called a sieve. This kitchen tool is commonly used for sifting flour to remove any lumps and to aerate the flour before baking. A sieve is also used to strain liquids and to dust powdered sugar on cakes and pastries.
The correct answer to the question is: A) Sieve.