THIS IS URGENT meant to be due today can someone help out please I’ll brainlist :)!

Hi,
These are the answers
•Question 6. B, Yogurt and sour milk
•Question 7. B, turn litmus paper red
•Question 8. B, used to find pH of a solution
•Question 9. A, names of products and reactants of a chemical reaction in words
•Question 10. B, feel slippery
Hope it help you. Pls mark brainliest if it helped you