Question

Name:
WORK-SHEET (1st Month, 20
Subject: Chemistry; Class: XI , Se
Roll No.:
(Note: Before submitting the solved paper to the teacher, S
his/her notebook.)
Attempt all questions. Use separate sheets
SOME BASIC CONCEPT OF CHEMISTRY
What is chemistry? Briefly explain the importance of ch
Define atomic mass unit (amu). Calculate mass of one
No. = 2.656 X 102).​

Answer 1

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