Is 'extract' or 'refractive index' correctly spelled?

Vietnamese has words that sound similar, which can be confusing when writing. For example, many people wonder whether "chiet triet" or "chiet triet" is the correct spelling.

This is a verb, which refers to the process of separating useful components from a mixture or raw material.

So what do you think is the correct way to write it? Leave your answer in the comments section below.

Answer to the previous question: "Country" or "country"?

"Country" is misspelled and makes absolutely no sense. If you've ever written it like that, be careful next time to avoid the mistake.

The correct answer is "country". This is a noun used to refer to a land, a geographical area or a country, often with a poetic, romantic or emotional meaning.

Libra

Source: https://vtcnews.vn/chiet-xuat-hay-chiet-suat-moi-dung-chinh-ta-ar944247.html