Revision of all Activities of chapter 2 | Acid Bases and salt| Class 10 Science

acid Bases and salts activity 2.1 what happens when indicators are added into acids and bases activity 2.2 what happens when acid or base added into olfactory indicators activity 2.3 what happens when zinc metal is added into dilute sulphuric acid activity 2.4what happens when zinc metal is added into sodium hydroxide activity 2.5 what happens when sodium carbonate and sodium bicarbonate added into acid activity 2.6 Neutralisation reaction activity 2.7 what happens when metal oxide is added into acid