CLASS 7 II SCIENCE II ACID BASE SALTS II MINERAL ACIDS II INDICATORSII

[@DevilOpThor5793]

Nice video sir

[@DharmendraYadav-i6t]

Thank you very much sir for chapter explanation

[@AjayTyagi-yh6uv]

Thankyou sir for explanation .

[@lakshakpc2843]

Thank you sir I am from class 7b lakshak

[@DharmendraYadav-i6t]

Sir please teach physical change and chemical change also .

[@AjayTyagi-yh6uv]

Sir explain remaining part of the chapter , please

[@DharmendraYadav-i6t]

Sir please teach physical change and chemical change also .