English
Русский
Oʼzbek
Subjects
News and articles
About us
Career
Contacts
Profile
Watch history
My library
Notifications
Logout
Русский
Oʼzbek
Online Mektep
Authorization
Home
Subjects
School Subjects
Main
Subjects
School Subjects
Chemistry
Lower Secondary
7. Acids, bases and salts
7. Acids, bases and salts
33. Properties of acids
34. Properties of bases
35. Indicators and pH
36. Neutralisation reactions
37. Salts
38. Reactions of acids and bases
39. Acid-base titrations