What is the difference between ч, ш, щ and between х, р?
I kinda understood the differences between ш, щ, but not between these 2 letters and ч, and the difference between х and р

Question

What is the difference between ч, ш, щ  and between х, р?
I kinda understood the differences between ш, щ, but not between these 2 letters and ч, and the difference between х and р

Answer

ш - like sh in shame
ч -  like ch in chain
р - more like Spanish 'r' 
х - like Spanish 'j' or like English 'h' but more aspirated

Answer

Wikipedia has a detailed information on phonetics with examples from different languages:
https://en.wikipedia.org/wiki/Russian_phonology#Consonants
/р/ -- https://en.wikipedia.org/wiki/Dental,_alveolar_and_postalveolar_trills
/ч/ -- https://en.wikipedia.org/wiki/Voiceless_alveolo-palatal_affricate
/х/ -- https://en.wikipedia.org/wiki/Voiceless_velar_fricative

Here's a very useful YouTube channel:
https://www.youtube.com/watch?v=zltpo15toe0&list=PLlmgeS8moU5ivxZCWJogsaxvxSJ-Mv-83

Answer

@Victoria, 
Try to listen to these words and you will see, that there is a huge difference between those letters. 
1. Человек(ч)
2. Прищепка (щ)
3. Пешеход (ш)
4. Походка (х)
5. Ресторан (р)

Try to put these words in Google Translate

집에서 편안하게 언어를 배울 수 있는 기회를 놓치지 마세요. 경험 많은 강사진을 살펴보고 지금 바로 첫 수업을 신청하세요!