CBSE: Check NCERT based important extra questions & answers of CBSE Class 9 Science (Chapter 12 Sound). These questions and answers are important for the preparation of the upcoming CBSE Class 9 ...
CBSE 9th Assertion Reason Questions: The Central Board of Secondary Education (CBSE) Class 9 exams 2025-26 are around the corner and it's time for students to revise and prepare all the questions. One ...
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