Class 7th Science Session 2021-2022
Class 7 Science Important Syllabus Questions Answers
NCERT Books Class 7 science Questions
NCERT based sample Questions
Name a natural indicator and a synthetic indicator.
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Class 7th Science Session 2021-2022
Class 7 Science Important Syllabus Questions Answers
NCERT Books Class 7 science Questions
NCERT based sample Questions
(i) Natural indicator— Turmeric
(ii) Synthetic indicator—Phenolphthalein