How do you say in french what is it quelle

The phrase "what is it" in French can be expressed in several ways, depending on the context. Here are the most common:

Formal:

* Qu'est-ce que c'est ? (This is the most common and versatile option)

* De quoi s'agit-il ? (This is a more formal way to ask "what is it about?")

* Quelle est la nature de...? (This is used when asking for the nature or type of something)

Informal:

* C'est quoi ? (This is very informal, similar to "what's this?")

* C'est quoi ça ? (This is a more casual way to ask "what's that?")

You can also use "quelle" in a question if you are asking about a specific thing or quality:

* Quelle est la couleur de la robe ? (What is the color of the dress?)

* Quelle est votre opinion sur ce sujet ? (What is your opinion on this topic?)

Remember to choose the appropriate phrase based on the context and formality of the situation.