activity 1.4 chapter number 1 chemical equation and reaction class 10th science

[@BTS-blossoms]

Thanks sir, it was really helpful ✨

[@KumkumTiwari-oc2pt]

thanks Sir for uploading all activities 😊😊these shorts are so useful

[@BrianSpinler]

Thank you bhaiya❤

[@abhijithr7526]

Thank you sir , very nice video