ACIDS AND BASES-7th SUMMARY
7th class syllabus , 6& 7th lab manual, 7th class lesson plans, Balance diet , Acids and bases , Soil-our life , Motion and time, Climate and season , Reflection…
Learn the Magic of Physics Universe
7th class syllabus , 6& 7th lab manual, 7th class lesson plans, Balance diet , Acids and bases , Soil-our life , Motion and time, Climate and season , Reflection…