Question

which reference books I should use for science class 9???

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Answer 1

Explanation:

lakhmir Singh for science

and RD sharma for maths

Answer 2

Subject       Book title                                                  Publisher/ Author

Math       Mathematics for Class 9                         RD Sharma

Math        A Textbook of Mathematics for Class 9 Ratna Sagar

Physics        Physics Class 9                                         Lakhmir Singh and Manjit Kaur, S Chand Publication

Physics         Physics Question Bank                      Oswaal Publications

Chemistry Chemistry Class 9 Lakhmir Singh and Manjit Kaur ,S Chand Publication

Chemistry Chemistry Question Bank                      Oswaal Publications

Biology         Super Simplified Science Biology Class IX S. Dinesh Publication

Biology           Biology Question Bank                      Oswaal Publications